-0.8(a+3)=1.2(a+15)

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Solution for -0.8(a+3)=1.2(a+15) equation:


Simplifying
-0.8(a + 3) = 1.2(a + 15)

Reorder the terms:
-0.8(3 + a) = 1.2(a + 15)
(3 * -0.8 + a * -0.8) = 1.2(a + 15)
(-2.4 + -0.8a) = 1.2(a + 15)

Reorder the terms:
-2.4 + -0.8a = 1.2(15 + a)
-2.4 + -0.8a = (15 * 1.2 + a * 1.2)
-2.4 + -0.8a = (18 + 1.2a)

Solving
-2.4 + -0.8a = 18 + 1.2a

Solving for variable 'a'.

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

Add '-1.2a' to each side of the equation.
-2.4 + -0.8a + -1.2a = 18 + 1.2a + -1.2a

Combine like terms: -0.8a + -1.2a = -2a
-2.4 + -2a = 18 + 1.2a + -1.2a

Combine like terms: 1.2a + -1.2a = 0.0
-2.4 + -2a = 18 + 0.0
-2.4 + -2a = 18

Add '2.4' to each side of the equation.
-2.4 + 2.4 + -2a = 18 + 2.4

Combine like terms: -2.4 + 2.4 = 0.0
0.0 + -2a = 18 + 2.4
-2a = 18 + 2.4

Combine like terms: 18 + 2.4 = 20.4
-2a = 20.4

Divide each side by '-2'.
a = -10.2

Simplifying
a = -10.2

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