40=x+(x-10)

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Solution for 40=x+(x-10) equation: 


Simplifying
40 = x + (x + -10)

Reorder the terms:
40 = x + (-10 + x)

Remove parenthesis around (-10 + x)
40 = x + -10 + x

Reorder the terms:
40 = -10 + x + x

Combine like terms: x + x = 2x
40 = -10 + 2x

Solving
40 = -10 + 2x

Solving for variable 'x'.

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

Add '-2x' to each side of the equation.
40 + -2x = -10 + 2x + -2x

Combine like terms: 2x + -2x = 0
40 + -2x = -10 + 0
40 + -2x = -10

Add '-40' to each side of the equation.
40 + -40 + -2x = -10 + -40

Combine like terms: 40 + -40 = 0
0 + -2x = -10 + -40
-2x = -10 + -40

Combine like terms: -10 + -40 = -50
-2x = -50

Divide each side by '-2'.
x = 25

Simplifying
x = 25

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