0.15x+.05(20-x)=.10(12)

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Solution for 0.15x+.05(20-x)=.10(12) equation:


Simplifying
0.15x + 0.05(20 + -1x) = 0.10(12)
0.15x + (20 * 0.05 + -1x * 0.05) = 0.10(12)
0.15x + (1 + -0.05x) = 0.10(12)

Reorder the terms:
1 + 0.15x + -0.05x = 0.10(12)

Combine like terms: 0.15x + -0.05x = 0.1x
1 + 0.1x = 0.10(12)

Multiply 0.10 * 12
1 + 0.1x = 1.2

Solving
1 + 0.1x = 1.2

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 + 0.1x = 1.2 + -1

Combine like terms: 1 + -1 = 0
0 + 0.1x = 1.2 + -1
0.1x = 1.2 + -1

Combine like terms: 1.2 + -1 = 0.2
0.1x = 0.2

Divide each side by '0.1'.
x = 2

Simplifying
x = 2

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