7x-3x-22=42

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Solution for 7x-3x-22=42 equation:


Simplifying
7x + -3x + -22 = 42

Reorder the terms:
-22 + 7x + -3x = 42

Combine like terms: 7x + -3x = 4x
-22 + 4x = 42

Solving
-22 + 4x = 42

Solving for variable 'x'.

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

Add '22' to each side of the equation.
-22 + 22 + 4x = 42 + 22

Combine like terms: -22 + 22 = 0
0 + 4x = 42 + 22
4x = 42 + 22

Combine like terms: 42 + 22 = 64
4x = 64

Divide each side by '4'.
x = 16

Simplifying
x = 16

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