0.65x+0.5(18-x)=.10(-99)

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Solution for 0.65x+0.5(18-x)=.10(-99) equation:


Simplifying
0.65x + 0.5(18 + -1x) = 0.10(-99)
0.65x + (18 * 0.5 + -1x * 0.5) = 0.10(-99)
0.65x + (9 + -0.5x) = 0.10(-99)

Reorder the terms:
9 + 0.65x + -0.5x = 0.10(-99)

Combine like terms: 0.65x + -0.5x = 0.15x
9 + 0.15x = 0.10(-99)

Multiply 0.10 * -99
9 + 0.15x = -9.9

Solving
9 + 0.15x = -9.9

Solving for variable 'x'.

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

Add '-9' to each side of the equation.
9 + -9 + 0.15x = -9.9 + -9

Combine like terms: 9 + -9 = 0
0 + 0.15x = -9.9 + -9
0.15x = -9.9 + -9

Combine like terms: -9.9 + -9 = -18.9
0.15x = -18.9

Divide each side by '0.15'.
x = -126

Simplifying
x = -126

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