0.18a+0.1(20-a)=0.14(20)

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Solution for 0.18a+0.1(20-a)=0.14(20) equation:


Simplifying
0.18a + 0.1(20 + -1a) = 0.14(20)
0.18a + (20 * 0.1 + -1a * 0.1) = 0.14(20)
0.18a + (2 + -0.1a) = 0.14(20)

Reorder the terms:
2 + 0.18a + -0.1a = 0.14(20)

Combine like terms: 0.18a + -0.1a = 0.08a
2 + 0.08a = 0.14(20)

Multiply 0.14 * 20
2 + 0.08a = 2.8

Solving
2 + 0.08a = 2.8

Solving for variable 'a'.

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

Add '-2' to each side of the equation.
2 + -2 + 0.08a = 2.8 + -2

Combine like terms: 2 + -2 = 0
0 + 0.08a = 2.8 + -2
0.08a = 2.8 + -2

Combine like terms: 2.8 + -2 = 0.8
0.08a = 0.8

Divide each side by '0.08'.
a = 10

Simplifying
a = 10

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