9x+40=4x+15

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Solution for 9x+40=4x+15 equation:


Simplifying
9x + 40 = 4x + 15

Reorder the terms:
40 + 9x = 4x + 15

Reorder the terms:
40 + 9x = 15 + 4x

Solving
40 + 9x = 15 + 4x

Solving for variable 'x'.

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

Add '-4x' to each side of the equation.
40 + 9x + -4x = 15 + 4x + -4x

Combine like terms: 9x + -4x = 5x
40 + 5x = 15 + 4x + -4x

Combine like terms: 4x + -4x = 0
40 + 5x = 15 + 0
40 + 5x = 15

Add '-40' to each side of the equation.
40 + -40 + 5x = 15 + -40

Combine like terms: 40 + -40 = 0
0 + 5x = 15 + -40
5x = 15 + -40

Combine like terms: 15 + -40 = -25
5x = -25

Divide each side by '5'.
x = -5

Simplifying
x = -5

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