Answer:
x=144
Step-by-step explanation:
x/3-x/4=12
the common denominator must be 12,
4x/12-3x/12=12
since 4x-3x=x,
you have x/12=12,
x=12*12
x=144
Based on what i learned in math the answer is 3 1/2
When you move the parenthesis around within an expression, you are utilizing the associative property.
Answer:
-1+7 =-7
Step-by-step explanation: