3(7x+2x)=30+7(x-1)

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Solution for 3(7x+2x)=30+7(x-1) equation:


Simplifying
3(7x + 2x) = 30 + 7(x + -1)

Combine like terms: 7x + 2x = 9x
3(9x) = 30 + 7(x + -1)

Remove parenthesis around (9x)
3 * 9x = 30 + 7(x + -1)

Multiply 3 * 9
27x = 30 + 7(x + -1)

Reorder the terms:
27x = 30 + 7(-1 + x)
27x = 30 + (-1 * 7 + x * 7)
27x = 30 + (-7 + 7x)

Combine like terms: 30 + -7 = 23
27x = 23 + 7x

Solving
27x = 23 + 7x

Solving for variable 'x'.

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

Add '-7x' to each side of the equation.
27x + -7x = 23 + 7x + -7x

Combine like terms: 27x + -7x = 20x
20x = 23 + 7x + -7x

Combine like terms: 7x + -7x = 0
20x = 23 + 0
20x = 23

Divide each side by '20'.
x = 1.15

Simplifying
x = 1.15

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