5x(x+8)+5x(6-x)=9(12+x)-8(7-x)

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Solution for 5x(x+8)+5x(6-x)=9(12+x)-8(7-x) equation:


Simplifying
5x(x + 8) + 5x(6 + -1x) = 9(12 + x) + -8(7 + -1x)

Reorder the terms:
5x(8 + x) + 5x(6 + -1x) = 9(12 + x) + -8(7 + -1x)
(8 * 5x + x * 5x) + 5x(6 + -1x) = 9(12 + x) + -8(7 + -1x)
(40x + 5x2) + 5x(6 + -1x) = 9(12 + x) + -8(7 + -1x)
40x + 5x2 + (6 * 5x + -1x * 5x) = 9(12 + x) + -8(7 + -1x)
40x + 5x2 + (30x + -5x2) = 9(12 + x) + -8(7 + -1x)

Reorder the terms:
40x + 30x + 5x2 + -5x2 = 9(12 + x) + -8(7 + -1x)

Combine like terms: 40x + 30x = 70x
70x + 5x2 + -5x2 = 9(12 + x) + -8(7 + -1x)

Combine like terms: 5x2 + -5x2 = 0
70x + 0 = 9(12 + x) + -8(7 + -1x)
70x = 9(12 + x) + -8(7 + -1x)
70x = (12 * 9 + x * 9) + -8(7 + -1x)
70x = (108 + 9x) + -8(7 + -1x)
70x = 108 + 9x + (7 * -8 + -1x * -8)
70x = 108 + 9x + (-56 + 8x)

Reorder the terms:
70x = 108 + -56 + 9x + 8x

Combine like terms: 108 + -56 = 52
70x = 52 + 9x + 8x

Combine like terms: 9x + 8x = 17x
70x = 52 + 17x

Solving
70x = 52 + 17x

Solving for variable 'x'.

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

Add '-17x' to each side of the equation.
70x + -17x = 52 + 17x + -17x

Combine like terms: 70x + -17x = 53x
53x = 52 + 17x + -17x

Combine like terms: 17x + -17x = 0
53x = 52 + 0
53x = 52

Divide each side by '53'.
x = 0.9811320755

Simplifying
x = 0.9811320755

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