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# Math 70 question

42(x-5)+x=-29-2(x-2)

Asked by Anonymous at 5:43 PM on Feb. 28, 2011 in

• 42x - 210 +x = -29 -2x +4 [multiply the number in parentheses by each number inside the parentheses)

43x -210 = -2x -25 [combine numbers with numbers and x's with x's]

43x + 2x = -25 + 210 [move x's to one side and numbers to the other side of the equals sign]

45x = 185 [combine like terms again]

x = 185/45 = 37/9 [divide both sides by the coefficient and then simplify]

Answer by TweenAndTwinMom at 5:58 PM on Feb. 28, 2011

• All I know is whoever thought about using letters and numbers together should of been drowned at birth!!! LOL

Answer by Michigan-Mom74 at 5:49 PM on Feb. 28, 2011

• 42(x-5)+x=-29-2(x-2)

42x - 210 + x = -29 - 2x + 4 (In this step, we were multiplying the numbers in parentheses)
43x - 210 = -25 - 2x (In this step, we were combining like terms)
43x - 210 + 210 = -25 - 2x + 210 (in this step, we were adding 210 to each side so we can start moving the variables to one side)
43x = 185 - 2x
43x + 2x = 185 - 2x + 2x (In this step, we are moving the variables to one side)
45x = 185
45x/45 = 185/45 (In this step, we are finding out what one x is by dividing by the number of x's we have)
x = 185/45 (which is then left as a fraction, but simplified to the answer you were given:
x = 37/9

Answer by Mom-2-3-Girlz at 6:21 PM on Feb. 28, 2011

• TweenAndTwinMom...it is so much more frustrating when you are working with your own children and they don't understand! I can be very patient with adults and other children, but get frustrated faster with my own!

Answer by Mom-2-3-Girlz at 6:25 PM on Feb. 28, 2011

Answer by WARNING at 5:48 PM on Feb. 28, 2011

• thats just what they said was the answer lol

Comment by Anonymous (original poster) at 5:49 PM on Feb. 28, 2011

• don't know if this is helpful or not but that is called a quadratic equation (thats all i remeber from Algebra 2 10+ years ago)

It seems like you might be able to google step by step instructions.

Answer by UpSheRises at 5:53 PM on Feb. 28, 2011

• 37/9-5x42+37/9=37/9-2x27 37/9-210+37/9= 37/9-54 ??? am i atleast on the right track? lol im lost

Answer by mbright3747 at 5:56 PM on Feb. 28, 2011

• are you just trying to find the steps to get that answer? the first equation are the long steps the second are summed up

Answer by mbright3747 at 5:57 PM on Feb. 28, 2011

• I have NO clue...thats why im wanting help...lol
Looks like you know more than I do though....

Comment by Anonymous (original poster) at 5:58 PM on Feb. 28, 2011

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