(1+7)(2+8x)=45-2.5(x+4)

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Solution for (1+7)(2+8x)=45-2.5(x+4) equation:


Simplifying
(1 + 7)(2 + 8x) = 45 + -2.5(x + 4)

Combine like terms: 1 + 7 = 8
(8)(2 + 8x) = 45 + -2.5(x + 4)
(2 * 8 + 8x * 8) = 45 + -2.5(x + 4)
(16 + 64x) = 45 + -2.5(x + 4)

Reorder the terms:
16 + 64x = 45 + -2.5(4 + x)
16 + 64x = 45 + (4 * -2.5 + x * -2.5)
16 + 64x = 45 + (-10 + -2.5x)

Combine like terms: 45 + -10 = 35
16 + 64x = 35 + -2.5x

Solving
16 + 64x = 35 + -2.5x

Solving for variable 'x'.

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

Add '2.5x' to each side of the equation.
16 + 64x + 2.5x = 35 + -2.5x + 2.5x

Combine like terms: 64x + 2.5x = 66.5x
16 + 66.5x = 35 + -2.5x + 2.5x

Combine like terms: -2.5x + 2.5x = 0.0
16 + 66.5x = 35 + 0.0
16 + 66.5x = 35

Add '-16' to each side of the equation.
16 + -16 + 66.5x = 35 + -16

Combine like terms: 16 + -16 = 0
0 + 66.5x = 35 + -16
66.5x = 35 + -16

Combine like terms: 35 + -16 = 19
66.5x = 19

Divide each side by '66.5'.
x = 0.2857142857

Simplifying
x = 0.2857142857

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