.7x+.05(20-x)=.1(101)

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Solution for .7x+.05(20-x)=.1(101) equation:


Simplifying
0.7x + 0.05(20 + -1x) = 0.1(101)
0.7x + (20 * 0.05 + -1x * 0.05) = 0.1(101)
0.7x + (1 + -0.05x) = 0.1(101)

Reorder the terms:
1 + 0.7x + -0.05x = 0.1(101)

Combine like terms: 0.7x + -0.05x = 0.65x
1 + 0.65x = 0.1(101)

Multiply 0.1 * 101
1 + 0.65x = 10.1

Solving
1 + 0.65x = 10.1

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 + 0.65x = 10.1 + -1

Combine like terms: 1 + -1 = 0
0 + 0.65x = 10.1 + -1
0.65x = 10.1 + -1

Combine like terms: 10.1 + -1 = 9.1
0.65x = 9.1

Divide each side by '0.65'.
x = 14

Simplifying
x = 14

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