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

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


Simplifying
3(3x + 5) = 3(7 + -1x)

Reorder the terms:
3(5 + 3x) = 3(7 + -1x)
(5 * 3 + 3x * 3) = 3(7 + -1x)
(15 + 9x) = 3(7 + -1x)
15 + 9x = (7 * 3 + -1x * 3)
15 + 9x = (21 + -3x)

Solving
15 + 9x = 21 + -3x

Solving for variable 'x'.

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

Add '3x' to each side of the equation.
15 + 9x + 3x = 21 + -3x + 3x

Combine like terms: 9x + 3x = 12x
15 + 12x = 21 + -3x + 3x

Combine like terms: -3x + 3x = 0
15 + 12x = 21 + 0
15 + 12x = 21

Add '-15' to each side of the equation.
15 + -15 + 12x = 21 + -15

Combine like terms: 15 + -15 = 0
0 + 12x = 21 + -15
12x = 21 + -15

Combine like terms: 21 + -15 = 6
12x = 6

Divide each side by '12'.
x = 0.5

Simplifying
x = 0.5

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