4(4x+4)-21=12x+3

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Solution for 4(4x+4)-21=12x+3 equation:


Simplifying
4(4x + 4) + -21 = 12x + 3

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

Reorder the terms:
16 + -21 + 16x = 12x + 3

Combine like terms: 16 + -21 = -5
-5 + 16x = 12x + 3

Reorder the terms:
-5 + 16x = 3 + 12x

Solving
-5 + 16x = 3 + 12x

Solving for variable 'x'.

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

Add '-12x' to each side of the equation.
-5 + 16x + -12x = 3 + 12x + -12x

Combine like terms: 16x + -12x = 4x
-5 + 4x = 3 + 12x + -12x

Combine like terms: 12x + -12x = 0
-5 + 4x = 3 + 0
-5 + 4x = 3

Add '5' to each side of the equation.
-5 + 5 + 4x = 3 + 5

Combine like terms: -5 + 5 = 0
0 + 4x = 3 + 5
4x = 3 + 5

Combine like terms: 3 + 5 = 8
4x = 8

Divide each side by '4'.
x = 2

Simplifying
x = 2

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