12(2-7)=x(20)

Solution for 12(2-7)=x(20) equation:

Simplifying
12(2 + -7) = x(20)

Combine like terms: 2 + -7 = -5
12(-5) = x(20)

Multiply 12 * -5
-60 = x(20)

Reorder the terms for easier multiplication:
-60 = 20x

Solving
-60 = 20x

Solving for variable 'x'.

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

Add '-20x' to each side of the equation.
-60 + -20x = 20x + -20x

Combine like terms: 20x + -20x = 0
-60 + -20x = 0

Add '60' to each side of the equation.
-60 + 60 + -20x = 0 + 60

Combine like terms: -60 + 60 = 0
0 + -20x = 0 + 60
-20x = 0 + 60

Combine like terms: 0 + 60 = 60
-20x = 60

Divide each side by '-20'.
x = -3

Simplifying
x = -3