-7-21x+2=-8x-64

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Solution for -7-21x+2=-8x-64 equation:


Simplifying
-7 + -21x + 2 = -8x + -64

Reorder the terms:
-7 + 2 + -21x = -8x + -64

Combine like terms: -7 + 2 = -5
-5 + -21x = -8x + -64

Reorder the terms:
-5 + -21x = -64 + -8x

Solving
-5 + -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.
-5 + -21x + 8x = -64 + -8x + 8x

Combine like terms: -21x + 8x = -13x
-5 + -13x = -64 + -8x + 8x

Combine like terms: -8x + 8x = 0
-5 + -13x = -64 + 0
-5 + -13x = -64

Add '5' to each side of the equation.
-5 + 5 + -13x = -64 + 5

Combine like terms: -5 + 5 = 0
0 + -13x = -64 + 5
-13x = -64 + 5

Combine like terms: -64 + 5 = -59
-13x = -59

Divide each side by '-13'.
x = 4.538461538

Simplifying
x = 4.538461538

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