4x+15=9x+45

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Solution for 4x+15=9x+45 equation:


Simplifying
4x + 15 = 9x + 45

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

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

Solving
15 + 4x = 45 + 9x

Solving for variable 'x'.

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

Add '-9x' to each side of the equation.
15 + 4x + -9x = 45 + 9x + -9x

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

Combine like terms: 9x + -9x = 0
15 + -5x = 45 + 0
15 + -5x = 45

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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