4x+4=21

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Solution for 4x+4=21 equation:


Simplifying
4x + 4 = 21

Reorder the terms:
4 + 4x = 21

Solving
4 + 4x = 21

Solving for variable 'x'.

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

Add '-4' to each side of the equation.
4 + -4 + 4x = 21 + -4

Combine like terms: 4 + -4 = 0
0 + 4x = 21 + -4
4x = 21 + -4

Combine like terms: 21 + -4 = 17
4x = 17

Divide each side by '4'.
x = 4.25

Simplifying
x = 4.25

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