3×(x+1)+4x+8=4(x+1)+5x-7

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3×(x+1)+4x+8=4(x+1)+5x-7

3×(x+1)+4x+8=4(x+1)+5x-7
3×(x+1)+4x+8=4(x+1)+5x-7

3×(x+1)+4x+8=4(x+1)+5x-7
3×(x+1)+4x+8=4(x+1)+5x-7
3x+3+4x+8=4x+4+5x-7
7x+11=9x-3
2x=14
x=7

3x+3+4x+8=4x+4+5x-7
9x-7x=11+3
2x=14
x=2

3×(x+1)+4x+8=4(x+1)+5x-7
15=(x+1)+x
15=2x+1
14=2x
x=7


3x+3+4x+8=4x+4+5x-7
14=2x
x=7

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