7-7x=-42

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Solution for 7-7x=-42 equation: 


Simplifying
7 + -7x = -42

Solving
7 + -7x = -42

Solving for variable 'x'.

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

Add '-7' to each side of the equation.
7 + -7 + -7x = -42 + -7

Combine like terms: 7 + -7 = 0
0 + -7x = -42 + -7
-7x = -42 + -7

Combine like terms: -42 + -7 = -49
-7x = -49

Divide each side by '-7'.
x = 7

Simplifying
x = 7

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