3(15-x)=3(5+x)

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Solution for 3(15-x)=3(5+x) equation:


Simplifying
3(15 + -1x) = 3(5 + x)
(15 * 3 + -1x * 3) = 3(5 + x)
(45 + -3x) = 3(5 + x)
45 + -3x = (5 * 3 + x * 3)
45 + -3x = (15 + 3x)

Solving
45 + -3x = 15 + 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.
45 + -3x + -3x = 15 + 3x + -3x

Combine like terms: -3x + -3x = -6x
45 + -6x = 15 + 3x + -3x

Combine like terms: 3x + -3x = 0
45 + -6x = 15 + 0
45 + -6x = 15

Add '-45' to each side of the equation.
45 + -45 + -6x = 15 + -45

Combine like terms: 45 + -45 = 0
0 + -6x = 15 + -45
-6x = 15 + -45

Combine like terms: 15 + -45 = -30
-6x = -30

Divide each side by '-6'.
x = 5

Simplifying
x = 5

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