7(2x+4)-(5x-10)=56

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Solution for 7(2x+4)-(5x-10)=56 equation:


Simplifying
7(2x + 4) + -1(5x + -10) = 56

Reorder the terms:
7(4 + 2x) + -1(5x + -10) = 56
(4 * 7 + 2x * 7) + -1(5x + -10) = 56
(28 + 14x) + -1(5x + -10) = 56

Reorder the terms:
28 + 14x + -1(-10 + 5x) = 56
28 + 14x + (-10 * -1 + 5x * -1) = 56
28 + 14x + (10 + -5x) = 56

Reorder the terms:
28 + 10 + 14x + -5x = 56

Combine like terms: 28 + 10 = 38
38 + 14x + -5x = 56

Combine like terms: 14x + -5x = 9x
38 + 9x = 56

Solving
38 + 9x = 56

Solving for variable 'x'.

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

Add '-38' to each side of the equation.
38 + -38 + 9x = 56 + -38

Combine like terms: 38 + -38 = 0
0 + 9x = 56 + -38
9x = 56 + -38

Combine like terms: 56 + -38 = 18
9x = 18

Divide each side by '9'.
x = 2

Simplifying
x = 2

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