4x-21=-13

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Solution for 4x-21=-13 equation: 


Simplifying
4x + -21 = -13

Reorder the terms:
-21 + 4x = -13

Solving
-21 + 4x = -13

Solving for variable 'x'.

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

Add '21' to each side of the equation.
-21 + 21 + 4x = -13 + 21

Combine like terms: -21 + 21 = 0
0 + 4x = -13 + 21
4x = -13 + 21

Combine like terms: -13 + 21 = 8
4x = 8

Divide each side by '4'.
x = 2

Simplifying
x = 2

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