3(7x+4)=7x-16

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Solution for 3(7x+4)=7x-16 equation:


Simplifying
3(7x + 4) = 7x + -16

Reorder the terms:
3(4 + 7x) = 7x + -16
(4 * 3 + 7x * 3) = 7x + -16
(12 + 21x) = 7x + -16

Reorder the terms:
12 + 21x = -16 + 7x

Solving
12 + 21x = -16 + 7x

Solving for variable 'x'.

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

Add '-7x' to each side of the equation.
12 + 21x + -7x = -16 + 7x + -7x

Combine like terms: 21x + -7x = 14x
12 + 14x = -16 + 7x + -7x

Combine like terms: 7x + -7x = 0
12 + 14x = -16 + 0
12 + 14x = -16

Add '-12' to each side of the equation.
12 + -12 + 14x = -16 + -12

Combine like terms: 12 + -12 = 0
0 + 14x = -16 + -12
14x = -16 + -12

Combine like terms: -16 + -12 = -28
14x = -28

Divide each side by '14'.
x = -2

Simplifying
x = -2

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