.08(3a-5)-.04(4a-3)=.2

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Solution for .08(3a-5)-.04(4a-3)=.2 equation:


Simplifying
0.08(3a + -5) + -0.04(4a + -3) = 0.2

Reorder the terms:
0.08(-5 + 3a) + -0.04(4a + -3) = 0.2
(-5 * 0.08 + 3a * 0.08) + -0.04(4a + -3) = 0.2
(-0.4 + 0.24a) + -0.04(4a + -3) = 0.2

Reorder the terms:
-0.4 + 0.24a + -0.04(-3 + 4a) = 0.2
-0.4 + 0.24a + (-3 * -0.04 + 4a * -0.04) = 0.2
-0.4 + 0.24a + (0.12 + -0.16a) = 0.2

Reorder the terms:
-0.4 + 0.12 + 0.24a + -0.16a = 0.2

Combine like terms: -0.4 + 0.12 = -0.28
-0.28 + 0.24a + -0.16a = 0.2

Combine like terms: 0.24a + -0.16a = 0.08a
-0.28 + 0.08a = 0.2

Solving
-0.28 + 0.08a = 0.2

Solving for variable 'a'.

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

Add '0.28' to each side of the equation.
-0.28 + 0.28 + 0.08a = 0.2 + 0.28

Combine like terms: -0.28 + 0.28 = 0.00
0.00 + 0.08a = 0.2 + 0.28
0.08a = 0.2 + 0.28

Combine like terms: 0.2 + 0.28 = 0.48
0.08a = 0.48

Divide each side by '0.08'.
a = 6

Simplifying
a = 6

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