8x+5(12-x)=7(x+4)

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Solution for 8x+5(12-x)=7(x+4) equation:


Simplifying
8x + 5(12 + -1x) = 7(x + 4)
8x + (12 * 5 + -1x * 5) = 7(x + 4)
8x + (60 + -5x) = 7(x + 4)

Reorder the terms:
60 + 8x + -5x = 7(x + 4)

Combine like terms: 8x + -5x = 3x
60 + 3x = 7(x + 4)

Reorder the terms:
60 + 3x = 7(4 + x)
60 + 3x = (4 * 7 + x * 7)
60 + 3x = (28 + 7x)

Solving
60 + 3x = 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.
60 + 3x + -7x = 28 + 7x + -7x

Combine like terms: 3x + -7x = -4x
60 + -4x = 28 + 7x + -7x

Combine like terms: 7x + -7x = 0
60 + -4x = 28 + 0
60 + -4x = 28

Add '-60' to each side of the equation.
60 + -60 + -4x = 28 + -60

Combine like terms: 60 + -60 = 0
0 + -4x = 28 + -60
-4x = 28 + -60

Combine like terms: 28 + -60 = -32
-4x = -32

Divide each side by '-4'.
x = 8

Simplifying
x = 8

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