0.80x+0.05(18-x)=0.10(-51)

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Solution for 0.80x+0.05(18-x)=0.10(-51) equation:


Simplifying
0.80x + 0.05(18 + -1x) = 0.10(-51)
0.80x + (18 * 0.05 + -1x * 0.05) = 0.10(-51)
0.80x + (0.9 + -0.05x) = 0.10(-51)

Reorder the terms:
0.9 + 0.80x + -0.05x = 0.10(-51)

Combine like terms: 0.80x + -0.05x = 0.75x
0.9 + 0.75x = 0.10(-51)

Multiply 0.10 * -51
0.9 + 0.75x = -5.1

Solving
0.9 + 0.75x = -5.1

Solving for variable 'x'.

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

Add '-0.9' to each side of the equation.
0.9 + -0.9 + 0.75x = -5.1 + -0.9

Combine like terms: 0.9 + -0.9 = 0.0
0.0 + 0.75x = -5.1 + -0.9
0.75x = -5.1 + -0.9

Combine like terms: -5.1 + -0.9 = -6
0.75x = -6

Divide each side by '0.75'.
x = -8

Simplifying
x = -8

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