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

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


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

Reorder the terms:
5x + 4(-4 + x) = 7(x + 8)
5x + (-4 * 4 + x * 4) = 7(x + 8)
5x + (-16 + 4x) = 7(x + 8)

Reorder the terms:
-16 + 5x + 4x = 7(x + 8)

Combine like terms: 5x + 4x = 9x
-16 + 9x = 7(x + 8)

Reorder the terms:
-16 + 9x = 7(8 + x)
-16 + 9x = (8 * 7 + x * 7)
-16 + 9x = (56 + 7x)

Solving
-16 + 9x = 56 + 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.
-16 + 9x + -7x = 56 + 7x + -7x

Combine like terms: 9x + -7x = 2x
-16 + 2x = 56 + 7x + -7x

Combine like terms: 7x + -7x = 0
-16 + 2x = 56 + 0
-16 + 2x = 56

Add '16' to each side of the equation.
-16 + 16 + 2x = 56 + 16

Combine like terms: -16 + 16 = 0
0 + 2x = 56 + 16
2x = 56 + 16

Combine like terms: 56 + 16 = 72
2x = 72

Divide each side by '2'.
x = 36

Simplifying
x = 36

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