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

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


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

Reorder the terms:
-7(6 + 8x) = 21 + 7x
(6 * -7 + 8x * -7) = 21 + 7x
(-42 + -56x) = 21 + 7x

Solving
-42 + -56x = 21 + 7x

Solving for variable 'x'.

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

Add '-7x' to each side of the equation.
-42 + -56x + -7x = 21 + 7x + -7x

Combine like terms: -56x + -7x = -63x
-42 + -63x = 21 + 7x + -7x

Combine like terms: 7x + -7x = 0
-42 + -63x = 21 + 0
-42 + -63x = 21

Add '42' to each side of the equation.
-42 + 42 + -63x = 21 + 42

Combine like terms: -42 + 42 = 0
0 + -63x = 21 + 42
-63x = 21 + 42

Combine like terms: 21 + 42 = 63
-63x = 63

Divide each side by '-63'.
x = -1

Simplifying
x = -1

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