9x+30-5x-3=12

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Solution for 9x+30-5x-3=12 equation:


Simplifying
9x + 30 + -5x + -3 = 12

Reorder the terms:
30 + -3 + 9x + -5x = 12

Combine like terms: 30 + -3 = 27
27 + 9x + -5x = 12

Combine like terms: 9x + -5x = 4x
27 + 4x = 12

Solving
27 + 4x = 12

Solving for variable 'x'.

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

Add '-27' to each side of the equation.
27 + -27 + 4x = 12 + -27

Combine like terms: 27 + -27 = 0
0 + 4x = 12 + -27
4x = 12 + -27

Combine like terms: 12 + -27 = -15
4x = -15

Divide each side by '4'.
x = -3.75

Simplifying
x = -3.75

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