104=7x+8(x-2)

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Solution for 104=7x+8(x-2) equation:


Simplifying
104 = 7x + 8(x + -2)

Reorder the terms:
104 = 7x + 8(-2 + x)
104 = 7x + (-2 * 8 + x * 8)
104 = 7x + (-16 + 8x)

Reorder the terms:
104 = -16 + 7x + 8x

Combine like terms: 7x + 8x = 15x
104 = -16 + 15x

Solving
104 = -16 + 15x

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-15x' to each side of the equation.
104 + -15x = -16 + 15x + -15x

Combine like terms: 15x + -15x = 0
104 + -15x = -16 + 0
104 + -15x = -16

Add '-104' to each side of the equation.
104 + -104 + -15x = -16 + -104

Combine like terms: 104 + -104 = 0
0 + -15x = -16 + -104
-15x = -16 + -104

Combine like terms: -16 + -104 = -120
-15x = -120

Divide each side by '-15'.
x = 8

Simplifying
x = 8

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