76-(3x+6)=3(x+7)+x

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Solution for 76-(3x+6)=3(x+7)+x equation:


Simplifying
76 + -1(3x + 6) = 3(x + 7) + x

Reorder the terms:
76 + -1(6 + 3x) = 3(x + 7) + x
76 + (6 * -1 + 3x * -1) = 3(x + 7) + x
76 + (-6 + -3x) = 3(x + 7) + x

Combine like terms: 76 + -6 = 70
70 + -3x = 3(x + 7) + x

Reorder the terms:
70 + -3x = 3(7 + x) + x
70 + -3x = (7 * 3 + x * 3) + x
70 + -3x = (21 + 3x) + x

Combine like terms: 3x + x = 4x
70 + -3x = 21 + 4x

Solving
70 + -3x = 21 + 4x

Solving for variable 'x'.

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

Add '-4x' to each side of the equation.
70 + -3x + -4x = 21 + 4x + -4x

Combine like terms: -3x + -4x = -7x
70 + -7x = 21 + 4x + -4x

Combine like terms: 4x + -4x = 0
70 + -7x = 21 + 0
70 + -7x = 21

Add '-70' to each side of the equation.
70 + -70 + -7x = 21 + -70

Combine like terms: 70 + -70 = 0
0 + -7x = 21 + -70
-7x = 21 + -70

Combine like terms: 21 + -70 = -49
-7x = -49

Divide each side by '-7'.
x = 7

Simplifying
x = 7

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