0.70x+.05(8-x)=.10(69)

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Solution for 0.70x+.05(8-x)=.10(69) equation:


Simplifying
0.70x + 0.05(8 + -1x) = 0.10(69)
0.70x + (8 * 0.05 + -1x * 0.05) = 0.10(69)
0.70x + (0.4 + -0.05x) = 0.10(69)

Reorder the terms:
0.4 + 0.70x + -0.05x = 0.10(69)

Combine like terms: 0.70x + -0.05x = 0.65x
0.4 + 0.65x = 0.10(69)

Multiply 0.10 * 69
0.4 + 0.65x = 6.9

Solving
0.4 + 0.65x = 6.9

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 + 0.65x = 6.9 + -0.4

Combine like terms: 0.4 + -0.4 = 0.0
0.0 + 0.65x = 6.9 + -0.4
0.65x = 6.9 + -0.4

Combine like terms: 6.9 + -0.4 = 6.5
0.65x = 6.5

Divide each side by '0.65'.
x = 10

Simplifying
x = 10

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