-7-21x+6=-8x-64

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Solution for -7-21x+6=-8x-64 equation:


Simplifying
-7 + -21x + 6 = -8x + -64

Reorder the terms:
-7 + 6 + -21x = -8x + -64

Combine like terms: -7 + 6 = -1
-1 + -21x = -8x + -64

Reorder the terms:
-1 + -21x = -64 + -8x

Solving
-1 + -21x = -64 + -8x

Solving for variable 'x'.

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

Add '8x' to each side of the equation.
-1 + -21x + 8x = -64 + -8x + 8x

Combine like terms: -21x + 8x = -13x
-1 + -13x = -64 + -8x + 8x

Combine like terms: -8x + 8x = 0
-1 + -13x = -64 + 0
-1 + -13x = -64

Add '1' to each side of the equation.
-1 + 1 + -13x = -64 + 1

Combine like terms: -1 + 1 = 0
0 + -13x = -64 + 1
-13x = -64 + 1

Combine like terms: -64 + 1 = -63
-13x = -63

Divide each side by '-13'.
x = 4.846153846

Simplifying
x = 4.846153846

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