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

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


Simplifying
3(5 + -1x) = 7(x + -3)
(5 * 3 + -1x * 3) = 7(x + -3)
(15 + -3x) = 7(x + -3)

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

Solving
15 + -3x = -21 + 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.
15 + -3x + -7x = -21 + 7x + -7x

Combine like terms: -3x + -7x = -10x
15 + -10x = -21 + 7x + -7x

Combine like terms: 7x + -7x = 0
15 + -10x = -21 + 0
15 + -10x = -21

Add '-15' to each side of the equation.
15 + -15 + -10x = -21 + -15

Combine like terms: 15 + -15 = 0
0 + -10x = -21 + -15
-10x = -21 + -15

Combine like terms: -21 + -15 = -36
-10x = -36

Divide each side by '-10'.
x = 3.6

Simplifying
x = 3.6

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