21=-4x+33

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Solution for 21=-4x+33 equation:


Simplifying
21 = -4x + 33

Reorder the terms:
21 = 33 + -4x

Solving
21 = 33 + -4x

Solving for variable 'x'.

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

Add '4x' to each side of the equation.
21 + 4x = 33 + -4x + 4x

Combine like terms: -4x + 4x = 0
21 + 4x = 33 + 0
21 + 4x = 33

Add '-21' to each side of the equation.
21 + -21 + 4x = 33 + -21

Combine like terms: 21 + -21 = 0
0 + 4x = 33 + -21
4x = 33 + -21

Combine like terms: 33 + -21 = 12
4x = 12

Divide each side by '4'.
x = 3

Simplifying
x = 3

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