15*(7-7)+(5*2)=x

Solution for 15*(7-7)+(5*2)=x equation:

Simplifying
15(7 + -7) + (5 * 2) = x

Combine like terms: 7 + -7 = 0
15(0) + (5 * 2) = x

Multiply 15 * 0
0 + (5 * 2) = x

Anything times zero is zero.
0 + (5 * 2) = x

Multiply 5 * 2
0 + (10) = x
0 + 10 = x

Combine like terms: 0 + 10 = 10
10 = x

Solving
10 = x

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-1x' to each side of the equation.
10 + -1x = x + -1x

Combine like terms: x + -1x = 0
10 + -1x = 0

Add '-10' to each side of the equation.
10 + -10 + -1x = 0 + -10

Combine like terms: 10 + -10 = 0
0 + -1x = 0 + -10
-1x = 0 + -10

Combine like terms: 0 + -10 = -10
-1x = -10

Divide each side by '-1'.
x = 10

Simplifying
x = 10