0.5(10a-15)=3-2a

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Solution for 0.5(10a-15)=3-2a equation:


Simplifying
0.5(10a + -15) = 3 + -2a

Reorder the terms:
0.5(-15 + 10a) = 3 + -2a
(-15 * 0.5 + 10a * 0.5) = 3 + -2a
(-7.5 + 5a) = 3 + -2a

Solving
-7.5 + 5a = 3 + -2a

Solving for variable 'a'.

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

Add '2a' to each side of the equation.
-7.5 + 5a + 2a = 3 + -2a + 2a

Combine like terms: 5a + 2a = 7a
-7.5 + 7a = 3 + -2a + 2a

Combine like terms: -2a + 2a = 0
-7.5 + 7a = 3 + 0
-7.5 + 7a = 3

Add '7.5' to each side of the equation.
-7.5 + 7.5 + 7a = 3 + 7.5

Combine like terms: -7.5 + 7.5 = 0.0
0.0 + 7a = 3 + 7.5
7a = 3 + 7.5

Combine like terms: 3 + 7.5 = 10.5
7a = 10.5

Divide each side by '7'.
a = 1.5

Simplifying
a = 1.5

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