.60x+.05(20-x)=.1(-89)

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Solution for .60x+.05(20-x)=.1(-89) equation:


Simplifying
0.60x + 0.05(20 + -1x) = 0.1(-89)
0.60x + (20 * 0.05 + -1x * 0.05) = 0.1(-89)
0.60x + (1 + -0.05x) = 0.1(-89)

Reorder the terms:
1 + 0.60x + -0.05x = 0.1(-89)

Combine like terms: 0.60x + -0.05x = 0.55x
1 + 0.55x = 0.1(-89)

Multiply 0.1 * -89
1 + 0.55x = -8.9

Solving
1 + 0.55x = -8.9

Solving for variable 'x'.

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

Add '-1' to each side of the equation.
1 + -1 + 0.55x = -8.9 + -1

Combine like terms: 1 + -1 = 0
0 + 0.55x = -8.9 + -1
0.55x = -8.9 + -1

Combine like terms: -8.9 + -1 = -9.9
0.55x = -9.9

Divide each side by '0.55'.
x = -18

Simplifying
x = -18

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