6(x+3)-4(x+7)+x-3=72

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Solution for 6(x+3)-4(x+7)+x-3=72 equation:


Simplifying
6(x + 3) + -4(x + 7) + x + -3 = 72

Reorder the terms:
6(3 + x) + -4(x + 7) + x + -3 = 72
(3 * 6 + x * 6) + -4(x + 7) + x + -3 = 72
(18 + 6x) + -4(x + 7) + x + -3 = 72

Reorder the terms:
18 + 6x + -4(7 + x) + x + -3 = 72
18 + 6x + (7 * -4 + x * -4) + x + -3 = 72
18 + 6x + (-28 + -4x) + x + -3 = 72

Reorder the terms:
18 + -28 + -3 + 6x + -4x + x = 72

Combine like terms: 18 + -28 = -10
-10 + -3 + 6x + -4x + x = 72

Combine like terms: -10 + -3 = -13
-13 + 6x + -4x + x = 72

Combine like terms: 6x + -4x = 2x
-13 + 2x + x = 72

Combine like terms: 2x + x = 3x
-13 + 3x = 72

Solving
-13 + 3x = 72

Solving for variable 'x'.

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

Add '13' to each side of the equation.
-13 + 13 + 3x = 72 + 13

Combine like terms: -13 + 13 = 0
0 + 3x = 72 + 13
3x = 72 + 13

Combine like terms: 72 + 13 = 85
3x = 85

Divide each side by '3'.
x = 28.33333333

Simplifying
x = 28.33333333

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