(2x+15)-(6x-57)=

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Solution for (2x+15)-(6x-57)= equation:


Simplifying
(2x + 15) + -1(6x + -57) = 0

Reorder the terms:
(15 + 2x) + -1(6x + -57) = 0

Remove parenthesis around (15 + 2x)
15 + 2x + -1(6x + -57) = 0

Reorder the terms:
15 + 2x + -1(-57 + 6x) = 0
15 + 2x + (-57 * -1 + 6x * -1) = 0
15 + 2x + (57 + -6x) = 0

Reorder the terms:
15 + 57 + 2x + -6x = 0

Combine like terms: 15 + 57 = 72
72 + 2x + -6x = 0

Combine like terms: 2x + -6x = -4x
72 + -4x = 0

Solving
72 + -4x = 0

Solving for variable 'x'.

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

Add '-72' to each side of the equation.
72 + -72 + -4x = 0 + -72

Combine like terms: 72 + -72 = 0
0 + -4x = 0 + -72
-4x = 0 + -72

Combine like terms: 0 + -72 = -72
-4x = -72

Divide each side by '-4'.
x = 18

Simplifying
x = 18

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