0.80x+.05(4-x)=.10(-13)

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Solution for 0.80x+.05(4-x)=.10(-13) equation:


Simplifying
0.80x + 0.05(4 + -1x) = 0.10(-13)
0.80x + (4 * 0.05 + -1x * 0.05) = 0.10(-13)
0.80x + (0.2 + -0.05x) = 0.10(-13)

Reorder the terms:
0.2 + 0.80x + -0.05x = 0.10(-13)

Combine like terms: 0.80x + -0.05x = 0.75x
0.2 + 0.75x = 0.10(-13)

Multiply 0.10 * -13
0.2 + 0.75x = -1.3

Solving
0.2 + 0.75x = -1.3

Solving for variable 'x'.

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

Add '-0.2' to each side of the equation.
0.2 + -0.2 + 0.75x = -1.3 + -0.2

Combine like terms: 0.2 + -0.2 = 0.0
0.0 + 0.75x = -1.3 + -0.2
0.75x = -1.3 + -0.2

Combine like terms: -1.3 + -0.2 = -1.5
0.75x = -1.5

Divide each side by '0.75'.
x = -2

Simplifying
x = -2

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