-5-8=5x+9x-21x

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Solution for -5-8=5x+9x-21x equation:


Simplifying
-5 + -8 = 5x + 9x + -21x

Combine like terms: -5 + -8 = -13
-13 = 5x + 9x + -21x

Combine like terms: 5x + 9x = 14x
-13 = 14x + -21x

Combine like terms: 14x + -21x = -7x
-13 = -7x

Solving
-13 = -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.
-13 + 7x = -7x + 7x

Combine like terms: -7x + 7x = 0
-13 + 7x = 0

Add '13' to each side of the equation.
-13 + 13 + 7x = 0 + 13

Combine like terms: -13 + 13 = 0
0 + 7x = 0 + 13
7x = 0 + 13

Combine like terms: 0 + 13 = 13
7x = 13

Divide each side by '7'.
x = 1.857142857

Simplifying
x = 1.857142857

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