7x+(-2x)+6=42

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Solution for 7x+(-2x)+6=42 equation:


Simplifying
7x + (-2x) + 6 = 42

Reorder the terms:
6 + 7x + (-2x) = 42

Combine like terms: 7x + (-2x) = 5x
6 + 5x = 42

Solving
6 + 5x = 42

Solving for variable 'x'.

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

Add '-6' to each side of the equation.
6 + -6 + 5x = 42 + -6

Combine like terms: 6 + -6 = 0
0 + 5x = 42 + -6
5x = 42 + -6

Combine like terms: 42 + -6 = 36
5x = 36

Divide each side by '5'.
x = 7.2

Simplifying
x = 7.2

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