3x+40=5x-15

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Solution for 3x+40=5x-15 equation:


Simplifying
3x + 40 = 5x + -15

Reorder the terms:
40 + 3x = 5x + -15

Reorder the terms:
40 + 3x = -15 + 5x

Solving
40 + 3x = -15 + 5x

Solving for variable 'x'.

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

Add '-5x' to each side of the equation.
40 + 3x + -5x = -15 + 5x + -5x

Combine like terms: 3x + -5x = -2x
40 + -2x = -15 + 5x + -5x

Combine like terms: 5x + -5x = 0
40 + -2x = -15 + 0
40 + -2x = -15

Add '-40' to each side of the equation.
40 + -40 + -2x = -15 + -40

Combine like terms: 40 + -40 = 0
0 + -2x = -15 + -40
-2x = -15 + -40

Combine like terms: -15 + -40 = -55
-2x = -55

Divide each side by '-2'.
x = 27.5

Simplifying
x = 27.5

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