13+9x+21=x-3

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Solution for 13+9x+21=x-3 equation:


Simplifying
13 + 9x + 21 = x + -3

Reorder the terms:
13 + 21 + 9x = x + -3

Combine like terms: 13 + 21 = 34
34 + 9x = x + -3

Reorder the terms:
34 + 9x = -3 + x

Solving
34 + 9x = -3 + x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
34 + 9x + -1x = -3 + x + -1x

Combine like terms: 9x + -1x = 8x
34 + 8x = -3 + x + -1x

Combine like terms: x + -1x = 0
34 + 8x = -3 + 0
34 + 8x = -3

Add '-34' to each side of the equation.
34 + -34 + 8x = -3 + -34

Combine like terms: 34 + -34 = 0
0 + 8x = -3 + -34
8x = -3 + -34

Combine like terms: -3 + -34 = -37
8x = -37

Divide each side by '8'.
x = -4.625

Simplifying
x = -4.625

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