(q+3)*7=42

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Solution for (q+3)*7=42 equation:


Simplifying
(q + 3) * 7 = 42

Reorder the terms:
(3 + q) * 7 = 42

Reorder the terms for easier multiplication:
7(3 + q) = 42
(3 * 7 + q * 7) = 42
(21 + 7q) = 42

Solving
21 + 7q = 42

Solving for variable 'q'.

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

Add '-21' to each side of the equation.
21 + -21 + 7q = 42 + -21

Combine like terms: 21 + -21 = 0
0 + 7q = 42 + -21
7q = 42 + -21

Combine like terms: 42 + -21 = 21
7q = 21

Divide each side by '7'.
q = 3

Simplifying
q = 3

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