9x+21=3-15

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Solution for 9x+21=3-15 equation:


Simplifying
9x + 21 = 3 + -15

Reorder the terms:
21 + 9x = 3 + -15

Combine like terms: 3 + -15 = -12
21 + 9x = -12

Solving
21 + 9x = -12

Solving for variable 'x'.

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

Add '-21' to each side of the equation.
21 + -21 + 9x = -12 + -21

Combine like terms: 21 + -21 = 0
0 + 9x = -12 + -21
9x = -12 + -21

Combine like terms: -12 + -21 = -33
9x = -33

Divide each side by '9'.
x = -3.666666667

Simplifying
x = -3.666666667

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