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

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


Simplifying
5(x + 4) = 7(x + -7)

Reorder the terms:
5(4 + x) = 7(x + -7)
(4 * 5 + x * 5) = 7(x + -7)
(20 + 5x) = 7(x + -7)

Reorder the terms:
20 + 5x = 7(-7 + x)
20 + 5x = (-7 * 7 + x * 7)
20 + 5x = (-49 + 7x)

Solving
20 + 5x = -49 + 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.
20 + 5x + -7x = -49 + 7x + -7x

Combine like terms: 5x + -7x = -2x
20 + -2x = -49 + 7x + -7x

Combine like terms: 7x + -7x = 0
20 + -2x = -49 + 0
20 + -2x = -49

Add '-20' to each side of the equation.
20 + -20 + -2x = -49 + -20

Combine like terms: 20 + -20 = 0
0 + -2x = -49 + -20
-2x = -49 + -20

Combine like terms: -49 + -20 = -69
-2x = -69

Divide each side by '-2'.
x = 34.5

Simplifying
x = 34.5

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