-7(x+2)+28=21

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Solution for -7(x+2)+28=21 equation: 


Simplifying
-7(x + 2) + 28 = 21

Reorder the terms:
-7(2 + x) + 28 = 21
(2 * -7 + x * -7) + 28 = 21
(-14 + -7x) + 28 = 21

Reorder the terms:
-14 + 28 + -7x = 21

Combine like terms: -14 + 28 = 14
14 + -7x = 21

Solving
14 + -7x = 21

Solving for variable 'x'.

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

Add '-14' to each side of the equation.
14 + -14 + -7x = 21 + -14

Combine like terms: 14 + -14 = 0
0 + -7x = 21 + -14
-7x = 21 + -14

Combine like terms: 21 + -14 = 7
-7x = 7

Divide each side by '-7'.
x = -1

Simplifying
x = -1

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