28=4(x+7)-12

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Solution for 28=4(x+7)-12 equation:


Simplifying
28 = 4(x + 7) + -12

Reorder the terms:
28 = 4(7 + x) + -12
28 = (7 * 4 + x * 4) + -12
28 = (28 + 4x) + -12

Reorder the terms:
28 = 28 + -12 + 4x

Combine like terms: 28 + -12 = 16
28 = 16 + 4x

Solving
28 = 16 + 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.
28 + -4x = 16 + 4x + -4x

Combine like terms: 4x + -4x = 0
28 + -4x = 16 + 0
28 + -4x = 16

Add '-28' to each side of the equation.
28 + -28 + -4x = 16 + -28

Combine like terms: 28 + -28 = 0
0 + -4x = 16 + -28
-4x = 16 + -28

Combine like terms: 16 + -28 = -12
-4x = -12

Divide each side by '-4'.
x = 3

Simplifying
x = 3

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