2x-15=4x-40

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Solution for 2x-15=4x-40 equation:


Simplifying
2x + -15 = 4x + -40

Reorder the terms:
-15 + 2x = 4x + -40

Reorder the terms:
-15 + 2x = -40 + 4x

Solving
-15 + 2x = -40 + 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.
-15 + 2x + -4x = -40 + 4x + -4x

Combine like terms: 2x + -4x = -2x
-15 + -2x = -40 + 4x + -4x

Combine like terms: 4x + -4x = 0
-15 + -2x = -40 + 0
-15 + -2x = -40

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

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

Combine like terms: -40 + 15 = -25
-2x = -25

Divide each side by '-2'.
x = 12.5

Simplifying
x = 12.5

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