Which expression is not equivalent to 8 · x · 2 · y? 8 x + 2 y 16 xy 16 yx
2 answers:
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Answer:
- 120
Step-by-step explanation:
call x is the number you want to find
- (3/4 )x + 3
= (2/3)x - 6
- (3/4)x + (7/2) = (2/3)x - (13/2)
- (3/4)x - (2/3)x = - (13 /2) - (7/2)
- (1/12)x = -10
- x = -10 / (1/12) = -120
In general, any equation like (assuming
) is solved by
So, in your case, the solution is
Dividing by a fraction means to multiply by the inverse of that fraction: