7(3x+6)=315

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Solution for 7(3x+6)=315 equation: 


Simplifying
7(3x + 6) = 315

Reorder the terms:
7(6 + 3x) = 315
(6 * 7 + 3x * 7) = 315
(42 + 21x) = 315

Solving
42 + 21x = 315

Solving for variable 'x'.

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

Add '-42' to each side of the equation.
42 + -42 + 21x = 315 + -42

Combine like terms: 42 + -42 = 0
0 + 21x = 315 + -42
21x = 315 + -42

Combine like terms: 315 + -42 = 273
21x = 273

Divide each side by '21'.
x = 13

Simplifying
x = 13

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