4(4x-4)=21

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Solution for 4(4x-4)=21 equation:


Simplifying
4(4x + -4) = 21

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

Solving
-16 + 16x = 21

Solving for variable 'x'.

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

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

Combine like terms: -16 + 16 = 0
0 + 16x = 21 + 16
16x = 21 + 16

Combine like terms: 21 + 16 = 37
16x = 37

Divide each side by '16'.
x = 2.3125

Simplifying
x = 2.3125

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