84-(4x+15)=4(x+6)+x

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Solution for 84-(4x+15)=4(x+6)+x equation:


Simplifying
84 + -1(4x + 15) = 4(x + 6) + x

Reorder the terms:
84 + -1(15 + 4x) = 4(x + 6) + x
84 + (15 * -1 + 4x * -1) = 4(x + 6) + x
84 + (-15 + -4x) = 4(x + 6) + x

Combine like terms: 84 + -15 = 69
69 + -4x = 4(x + 6) + x

Reorder the terms:
69 + -4x = 4(6 + x) + x
69 + -4x = (6 * 4 + x * 4) + x
69 + -4x = (24 + 4x) + x

Combine like terms: 4x + x = 5x
69 + -4x = 24 + 5x

Solving
69 + -4x = 24 + 5x

Solving for variable 'x'.

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

Add '-5x' to each side of the equation.
69 + -4x + -5x = 24 + 5x + -5x

Combine like terms: -4x + -5x = -9x
69 + -9x = 24 + 5x + -5x

Combine like terms: 5x + -5x = 0
69 + -9x = 24 + 0
69 + -9x = 24

Add '-69' to each side of the equation.
69 + -69 + -9x = 24 + -69

Combine like terms: 69 + -69 = 0
0 + -9x = 24 + -69
-9x = 24 + -69

Combine like terms: 24 + -69 = -45
-9x = -45

Divide each side by '-9'.
x = 5

Simplifying
x = 5

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