7x-(3+2x)=x+9 13-(2x-5)=x-3 3x-(10-9x)=22x 26-(17-2x)=5x

Question

7x-(3+2x)=x+9 13-(2x-5)=x-3 3x-(10-9x)=22x 26-(17-2x)=5x

Answer 1

1. X=3
7x-3-2x=x+9
5x-x=9+3
4x=12
X=3
2. X=7
13-(2x-5)=x-3
13-2x+5=x-3
3x=21
x=7
3.x=-1
3x-(10-9x)=22x
3x-10+9x=22x
12x-10=22x
-10=22x-12x
-10=10x
x=-1
4. 26-(17-2x)=5x
26-17+2x=5x
9=5x-2x
9=3x
x=3