7(x-1)=42

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Solution for 7(x-1)=42 equation: 


Simplifying
7(x + -1) = 42

Reorder the terms:
7(-1 + x) = 42
(-1 * 7 + x * 7) = 42
(-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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