Respuesta :

Simplifying
12x * 42 + -12 + -32 = 1972

Reorder the terms for easier multiplication:
12 * 42x + -12 + -32 = 1972

Multiply 12 * 42
504x + -12 + -32 = 1972

Reorder the terms:
-12 + -32 + 504x = 1972

Combine like terms: -12 + -32 = -44
-44 + 504x = 1972

Solving
-44 + 504x = 1972

Solving for variable 'x'.

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

Add '44' to each side of the equation.
-44 + 44 + 504x = 1972 + 44

Combine like terms: -44 + 44 = 0
0 + 504x = 1972 + 44
504x = 1972 + 44

Combine like terms: 1972 + 44 = 2016
504x = 2016

Divide each side by '504'.
x = 4

Simplifying
x = 4

Hope this helps