First, distribute the 3 on the outside of the parentheses:
9x + 12 - 2x - 5 - 7x = 20
Combine like terms:
9x - 2x - 7x + 12 - 5 = 20
0x + 7 = 20
7 = 20
Since this statement is not true, there is no solution to this equation.
solve 3(3x + 4) - 2x - 5 - 7x = 20
1 answer