7x-4x-8+2x=42

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Solution for 7x-4x-8+2x=42 equation:


Simplifying
7x + -4x + -8 + 2x = 42

Reorder the terms:
-8 + 7x + -4x + 2x = 42

Combine like terms: 7x + -4x = 3x
-8 + 3x + 2x = 42

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

Solving
-8 + 5x = 42

Solving for variable 'x'.

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

Add '8' to each side of the equation.
-8 + 8 + 5x = 42 + 8

Combine like terms: -8 + 8 = 0
0 + 5x = 42 + 8
5x = 42 + 8

Combine like terms: 42 + 8 = 50
5x = 50

Divide each side by '5'.
x = 10

Simplifying
x = 10

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