Intermediate Algebra (12th Edition)

We are given the equation $9x-3(x+1)=8x-7$. In order to solve, first use the distributive property to simplify the left side. $9x-3x-3=8x-7$ $6x-3=8x-7$ Add 7 to both sides. $6x+4=8x$ Subtract 6x from both sides. $2x=4$ Divide by 2. $x=2$