Expanding the expression (2-x) gives:
11x - 2 + x = 51
Combining like terms on the left side gives:
12x - 2 = 51
Adding 2 to both sides gives:
12x = 53
Therefore, the equation that is equivalent to 11x - (2-x) =51 is option B. 12x = 53.
Which equation is equivalent to 11x - (2-x) =51 ?
A. 13x = 51
B. 12x = 53
C. 12x = 49
D. 10x = 53
1 answer