7(x-4)=42

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Solution for 7(x-4)=42 equation: 


Simplifying
7(x + -4) = 42

Reorder the terms:
7(-4 + x) = 42
(-4 * 7 + x * 7) = 42
(-28 + 7x) = 42

Solving
-28 + 7x = 42

Solving for variable 'x'.

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

Add '28' to each side of the equation.
-28 + 28 + 7x = 42 + 28

Combine like terms: -28 + 28 = 0
0 + 7x = 42 + 28
7x = 42 + 28

Combine like terms: 42 + 28 = 70
7x = 70

Divide each side by '7'.
x = 10

Simplifying
x = 10

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