16x-9-4x=30-(-9)

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Solution for 16x-9-4x=30-(-9) equation:


Simplifying
16x + -9 + -4x = 30 + -1(-9)

Reorder the terms:
-9 + 16x + -4x = 30 + -1(-9)

Combine like terms: 16x + -4x = 12x
-9 + 12x = 30 + -1(-9)

Multiply -1 * -9
-9 + 12x = 30 + 9

Combine like terms: 30 + 9 = 39
-9 + 12x = 39

Solving
-9 + 12x = 39

Solving for variable 'x'.

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

Add '9' to each side of the equation.
-9 + 9 + 12x = 39 + 9

Combine like terms: -9 + 9 = 0
0 + 12x = 39 + 9
12x = 39 + 9

Combine like terms: 39 + 9 = 48
12x = 48

Divide each side by '12'.
x = 4

Simplifying
x = 4

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