Question

a) 7(2x−3)+2(x+1)−5(x−9)=3x+10
b) 3x−26=x−2
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Answer 1

a)

7(2x-3)+2(x+1)-5(x-9)=3x+10

14x-21+2x+2-5x+45=3x+10

14x+2x-5x-3x=21-2-45+10

16x-8x=-16

8x=-16

x=-16/8

x=-2

b)

3x-26=x-2

3x-x=-2+26

2x=24

x=24/2

x=12