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
1x plus 3x equals 4x. When you combine like terms, you simply add the coefficients of the variables together. In this case, 1 + 3 equals 4, so the final result is 4x.
The like terms are 3x and -10x as well as -9 and +3