3(5+7x)=30-6x

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Solution for 3(5+7x)=30-6x equation:


Simplifying
3(5 + 7x) = 30 + -6x
(5 * 3 + 7x * 3) = 30 + -6x
(15 + 21x) = 30 + -6x

Solving
15 + 21x = 30 + -6x

Solving for variable 'x'.

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

Add '6x' to each side of the equation.
15 + 21x + 6x = 30 + -6x + 6x

Combine like terms: 21x + 6x = 27x
15 + 27x = 30 + -6x + 6x

Combine like terms: -6x + 6x = 0
15 + 27x = 30 + 0
15 + 27x = 30

Add '-15' to each side of the equation.
15 + -15 + 27x = 30 + -15

Combine like terms: 15 + -15 = 0
0 + 27x = 30 + -15
27x = 30 + -15

Combine like terms: 30 + -15 = 15
27x = 15

Divide each side by '27'.
x = 0.5555555556

Simplifying
x = 0.5555555556

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