-21-7x=-(-28x+6)-8

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Solution for -21-7x=-(-28x+6)-8 equation:


Simplifying
-21 + -7x = -1(-28x + 6) + -8

Reorder the terms:
-21 + -7x = -1(6 + -28x) + -8
-21 + -7x = (6 * -1 + -28x * -1) + -8
-21 + -7x = (-6 + 28x) + -8

Reorder the terms:
-21 + -7x = -6 + -8 + 28x

Combine like terms: -6 + -8 = -14
-21 + -7x = -14 + 28x

Solving
-21 + -7x = -14 + 28x

Solving for variable 'x'.

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

Add '-28x' to each side of the equation.
-21 + -7x + -28x = -14 + 28x + -28x

Combine like terms: -7x + -28x = -35x
-21 + -35x = -14 + 28x + -28x

Combine like terms: 28x + -28x = 0
-21 + -35x = -14 + 0
-21 + -35x = -14

Add '21' to each side of the equation.
-21 + 21 + -35x = -14 + 21

Combine like terms: -21 + 21 = 0
0 + -35x = -14 + 21
-35x = -14 + 21

Combine like terms: -14 + 21 = 7
-35x = 7

Divide each side by '-35'.
x = -0.2

Simplifying
x = -0.2

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