X+3+2x-8=42

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Solution for X+3+2x-8=42 equation:


Simplifying
X + 3 + 2x + -8 = 42

Reorder the terms:
3 + -8 + X + 2x = 42

Combine like terms: 3 + -8 = -5
-5 + X + 2x = 42

Solving
-5 + X + 2x = 42

Solving for variable 'X'.

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

Add '5' to each side of the equation.
-5 + X + 5 + 2x = 42 + 5

Reorder the terms:
-5 + 5 + X + 2x = 42 + 5

Combine like terms: -5 + 5 = 0
0 + X + 2x = 42 + 5
X + 2x = 42 + 5

Combine like terms: 42 + 5 = 47
X + 2x = 47

Add '-2x' to each side of the equation.
X + 2x + -2x = 47 + -2x

Combine like terms: 2x + -2x = 0
X + 0 = 47 + -2x
X = 47 + -2x

Simplifying
X = 47 + -2x

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