1.5a+8-0.4a=-7

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Solution for 1.5a+8-0.4a=-7 equation: 


Simplifying
1.5a + 8 + -0.4a = -7

Reorder the terms:
8 + 1.5a + -0.4a = -7

Combine like terms: 1.5a + -0.4a = 1.1a
8 + 1.1a = -7

Solving
8 + 1.1a = -7

Solving for variable 'a'.

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

Add '-8' to each side of the equation.
8 + -8 + 1.1a = -7 + -8

Combine like terms: 8 + -8 = 0
0 + 1.1a = -7 + -8
1.1a = -7 + -8

Combine like terms: -7 + -8 = -15
1.1a = -15

Divide each side by '1.1'.
a = -13.63636364

Simplifying
a = -13.63636364

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