9x-(4x-15)=45

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Solution for 9x-(4x-15)=45 equation:


Simplifying
9x + -1(4x + -15) = 45

Reorder the terms:
9x + -1(-15 + 4x) = 45
9x + (-15 * -1 + 4x * -1) = 45
9x + (15 + -4x) = 45

Reorder the terms:
15 + 9x + -4x = 45

Combine like terms: 9x + -4x = 5x
15 + 5x = 45

Solving
15 + 5x = 45

Solving for variable 'x'.

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

Add '-15' to each side of the equation.
15 + -15 + 5x = 45 + -15

Combine like terms: 15 + -15 = 0
0 + 5x = 45 + -15
5x = 45 + -15

Combine like terms: 45 + -15 = 30
5x = 30

Divide each side by '5'.
x = 6

Simplifying
x = 6

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