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2(3x+7)+x=70 That it I need help
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5 votes
2(3x+7)+x=70
That it I need help

User John Hyland
by
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1 Answer

3 votes

2(3x+7)+x=70

mutiply the bracket by 2

(2)(3x)(2)(7)+x= 70

6x+14+x= 70

6x+x+14= 70 ( combine like terms)

7x+14= 70

move 14 to the other side

sign changes from +14 to -14

7x+14-14=70-14

7x= 56

divide both sides by 7

7x/7= 56/7

x=8

Answer: x= 8

User Kyrylomyr
by
7.5k points
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