12x+14
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-3 + 3x + 6x = 15 combine like terms 6x and 3x are like terms as are -3 and 15 9x = 18 x = 2
No because: 8+3x=x+11+2x (rewrite equation) 8+3x=11+3x (combine like terms) 8=11 (subtract 3x from both sides) This is obviously a false statement, so there is no solution or answer to the equation.
There are no like terms in the expression 3x + 7
The like terms are 3x and -10x as well as -9 and +3
3x+x=32 (original equation)4x=32 (combine like terms)x=8 (divide each side by 4 to eliminate x by itself)