Question

the following equation is true for all values of x. Write the number that completes the equation. Show your work.
5y + 2 ( 3y - 1 ) = ______y - ( y + 2 )

Answer 1

5y+2(3y-1)=__y-(y+2)
5y+6y-2=__y-y-2
11y-2+2+y=__y
12y=___y
so 12