X+40=2(X+15)

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Solution for X+40=2(X+15) equation:


Simplifying
X + 40 = 2(X + 15)

Reorder the terms:
40 + X = 2(X + 15)

Reorder the terms:
40 + X = 2(15 + X)
40 + X = (15 * 2 + X * 2)
40 + X = (30 + 2X)

Solving
40 + X = 30 + 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 + X + -2X = 30 + 2X + -2X

Combine like terms: X + -2X = -1X
40 + -1X = 30 + 2X + -2X

Combine like terms: 2X + -2X = 0
40 + -1X = 30 + 0
40 + -1X = 30

Add '-40' to each side of the equation.
40 + -40 + -1X = 30 + -40

Combine like terms: 40 + -40 = 0
0 + -1X = 30 + -40
-1X = 30 + -40

Combine like terms: 30 + -40 = -10
-1X = -10

Divide each side by '-1'.
X = 10

Simplifying
X = 10

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