.40x+0.05(8-x)=0.10(-10)

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Solution for .40x+0.05(8-x)=0.10(-10) equation:


Simplifying
0.40x + 0.05(8 + -1x) = 0.10(-10)
0.40x + (8 * 0.05 + -1x * 0.05) = 0.10(-10)
0.40x + (0.4 + -0.05x) = 0.10(-10)

Reorder the terms:
0.4 + 0.40x + -0.05x = 0.10(-10)

Combine like terms: 0.40x + -0.05x = 0.35x
0.4 + 0.35x = 0.10(-10)

Multiply 0.10 * -10
0.4 + 0.35x = -1

Solving
0.4 + 0.35x = -1

Solving for variable 'x'.

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

Add '-0.4' to each side of the equation.
0.4 + -0.4 + 0.35x = -1 + -0.4

Combine like terms: 0.4 + -0.4 = 0.0
0.0 + 0.35x = -1 + -0.4
0.35x = -1 + -0.4

Combine like terms: -1 + -0.4 = -1.4
0.35x = -1.4

Divide each side by '0.35'.
x = -4

Simplifying
x = -4

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