9x-4(x-3)=15+7

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Solution for 9x-4(x-3)=15+7 equation:


Simplifying
9x + -4(x + -3) = 15 + 7

Reorder the terms:
9x + -4(-3 + x) = 15 + 7
9x + (-3 * -4 + x * -4) = 15 + 7
9x + (12 + -4x) = 15 + 7

Reorder the terms:
12 + 9x + -4x = 15 + 7

Combine like terms: 9x + -4x = 5x
12 + 5x = 15 + 7

Combine like terms: 15 + 7 = 22
12 + 5x = 22

Solving
12 + 5x = 22

Solving for variable 'x'.

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

Add '-12' to each side of the equation.
12 + -12 + 5x = 22 + -12

Combine like terms: 12 + -12 = 0
0 + 5x = 22 + -12
5x = 22 + -12

Combine like terms: 22 + -12 = 10
5x = 10

Divide each side by '5'.
x = 2

Simplifying
x = 2

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