7x+-28=

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Solution for 7x+-28= equation: 


Simplifying
7x + -28 = 0

Reorder the terms:
-28 + 7x = 0

Solving
-28 + 7x = 0

Solving for variable 'x'.

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

Add '28' to each side of the equation.
-28 + 28 + 7x = 0 + 28

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

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

Divide each side by '7'.
x = 4

Simplifying
x = 4

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