10x+40=9x+15

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Solution for 10x+40=9x+15 equation:


Simplifying
10x + 40 = 9x + 15

Reorder the terms:
40 + 10x = 9x + 15

Reorder the terms:
40 + 10x = 15 + 9x

Solving
40 + 10x = 15 + 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.
40 + 10x + -9x = 15 + 9x + -9x

Combine like terms: 10x + -9x = 1x
40 + 1x = 15 + 9x + -9x

Combine like terms: 9x + -9x = 0
40 + 1x = 15 + 0
40 + 1x = 15

Add '-40' to each side of the equation.
40 + -40 + 1x = 15 + -40

Combine like terms: 40 + -40 = 0
0 + 1x = 15 + -40
1x = 15 + -40

Combine like terms: 15 + -40 = -25
1x = -25

Divide each side by '1'.
x = -25

Simplifying
x = -25

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