X+4(4x+16)=21

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Solution for X+4(4x+16)=21 equation: 


Simplifying
X + 4(4x + 16) = 21

Reorder the terms:
X + 4(16 + 4x) = 21
X + (16 * 4 + 4x * 4) = 21
X + (64 + 16x) = 21

Reorder the terms:
64 + X + 16x = 21

Solving
64 + X + 16x = 21

Solving for variable 'X'.

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

Add '-64' to each side of the equation.
64 + X + -64 + 16x = 21 + -64

Reorder the terms:
64 + -64 + X + 16x = 21 + -64

Combine like terms: 64 + -64 = 0
0 + X + 16x = 21 + -64
X + 16x = 21 + -64

Combine like terms: 21 + -64 = -43
X + 16x = -43

Add '-16x' to each side of the equation.
X + 16x + -16x = -43 + -16x

Combine like terms: 16x + -16x = 0
X + 0 = -43 + -16x
X = -43 + -16x

Simplifying
X = -43 + -16x

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