7(5+x)=42

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Solution for 7(5+x)=42 equation: 


Simplifying
7(5 + x) = 42
(5 * 7 + x * 7) = 42
(35 + 7x) = 42

Solving
35 + 7x = 42

Solving for variable 'x'.

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

Add '-35' to each side of the equation.
35 + -35 + 7x = 42 + -35

Combine like terms: 35 + -35 = 0
0 + 7x = 42 + -35
7x = 42 + -35

Combine like terms: 42 + -35 = 7
7x = 7

Divide each side by '7'.
x = 1

Simplifying
x = 1

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