5x-21=-2x+28

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


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

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

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

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

Solving for variable 'x'.

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

Add '2x' to each side of the equation.
-21 + 5x + 2x = 28 + -2x + 2x

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

Combine like terms: -2x + 2x = 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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