21-3x=5x-35

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Solution for 21-3x=5x-35 equation:


Simplifying
21 + -3x = 5x + -35

Reorder the terms:
21 + -3x = -35 + 5x

Solving
21 + -3x = -35 + 5x

Solving for variable 'x'.

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

Add '-5x' to each side of the equation.
21 + -3x + -5x = -35 + 5x + -5x

Combine like terms: -3x + -5x = -8x
21 + -8x = -35 + 5x + -5x

Combine like terms: 5x + -5x = 0
21 + -8x = -35 + 0
21 + -8x = -35

Add '-21' to each side of the equation.
21 + -21 + -8x = -35 + -21

Combine like terms: 21 + -21 = 0
0 + -8x = -35 + -21
-8x = -35 + -21

Combine like terms: -35 + -21 = -56
-8x = -56

Divide each side by '-8'.
x = 7

Simplifying
x = 7

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