-2x-21=5x+28

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Solution for -2x-21=5x+28 equation:


Simplifying
-2x + -21 = 5x + 28

Reorder the terms:
-21 + -2x = 5x + 28

Reorder the terms:
-21 + -2x = 28 + 5x

Solving
-21 + -2x = 28 + 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 + -2x + -5x = 28 + 5x + -5x

Combine like terms: -2x + -5x = -7x
-21 + -7x = 28 + 5x + -5x

Combine like terms: 5x + -5x = 0
-21 + -7x = 28 + 0
-21 + -7x = 28

Add '21' to each side of the equation.
-21 + 21 + -7x = 28 + 21

Combine like terms: -21 + 21 = 0
0 + -7x = 28 + 21
-7x = 28 + 21

Combine like terms: 28 + 21 = 49
-7x = 49

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

Simplifying
x = -7

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