3(7x+36)=-21(-12-7x)

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Solution for 3(7x+36)=-21(-12-7x) equation:


Simplifying
3(7x + 36) = -21(-12 + -7x)

Reorder the terms:
3(36 + 7x) = -21(-12 + -7x)
(36 * 3 + 7x * 3) = -21(-12 + -7x)
(108 + 21x) = -21(-12 + -7x)
108 + 21x = (-12 * -21 + -7x * -21)
108 + 21x = (252 + 147x)

Solving
108 + 21x = 252 + 147x

Solving for variable 'x'.

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

Add '-147x' to each side of the equation.
108 + 21x + -147x = 252 + 147x + -147x

Combine like terms: 21x + -147x = -126x
108 + -126x = 252 + 147x + -147x

Combine like terms: 147x + -147x = 0
108 + -126x = 252 + 0
108 + -126x = 252

Add '-108' to each side of the equation.
108 + -108 + -126x = 252 + -108

Combine like terms: 108 + -108 = 0
0 + -126x = 252 + -108
-126x = 252 + -108

Combine like terms: 252 + -108 = 144
-126x = 144

Divide each side by '-126'.
x = -1.142857143

Simplifying
x = -1.142857143

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