3(5-2x)=7(x+4)

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Solution for 3(5-2x)=7(x+4) equation:


Simplifying
3(5 + -2x) = 7(x + 4)
(5 * 3 + -2x * 3) = 7(x + 4)
(15 + -6x) = 7(x + 4)

Reorder the terms:
15 + -6x = 7(4 + x)
15 + -6x = (4 * 7 + x * 7)
15 + -6x = (28 + 7x)

Solving
15 + -6x = 28 + 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 + -6x + -7x = 28 + 7x + -7x

Combine like terms: -6x + -7x = -13x
15 + -13x = 28 + 7x + -7x

Combine like terms: 7x + -7x = 0
15 + -13x = 28 + 0
15 + -13x = 28

Add '-15' to each side of the equation.
15 + -15 + -13x = 28 + -15

Combine like terms: 15 + -15 = 0
0 + -13x = 28 + -15
-13x = 28 + -15

Combine like terms: 28 + -15 = 13
-13x = 13

Divide each side by '-13'.
x = -1

Simplifying
x = -1

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