4x+25=9x+40

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Solution for 4x+25=9x+40 equation:


Simplifying
4x + 25 = 9x + 40

Reorder the terms:
25 + 4x = 9x + 40

Reorder the terms:
25 + 4x = 40 + 9x

Solving
25 + 4x = 40 + 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.
25 + 4x + -9x = 40 + 9x + -9x

Combine like terms: 4x + -9x = -5x
25 + -5x = 40 + 9x + -9x

Combine like terms: 9x + -9x = 0
25 + -5x = 40 + 0
25 + -5x = 40

Add '-25' to each side of the equation.
25 + -25 + -5x = 40 + -25

Combine like terms: 25 + -25 = 0
0 + -5x = 40 + -25
-5x = 40 + -25

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

Divide each side by '-5'.
x = -3

Simplifying
x = -3

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