2(4a+5)=1.8a-3

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Solution for 2(4a+5)=1.8a-3 equation:


Simplifying
2(4a + 5) = 1.8a + -3

Reorder the terms:
2(5 + 4a) = 1.8a + -3
(5 * 2 + 4a * 2) = 1.8a + -3
(10 + 8a) = 1.8a + -3

Reorder the terms:
10 + 8a = -3 + 1.8a

Solving
10 + 8a = -3 + 1.8a

Solving for variable 'a'.

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

Add '-1.8a' to each side of the equation.
10 + 8a + -1.8a = -3 + 1.8a + -1.8a

Combine like terms: 8a + -1.8a = 6.2a
10 + 6.2a = -3 + 1.8a + -1.8a

Combine like terms: 1.8a + -1.8a = 0.0
10 + 6.2a = -3 + 0.0
10 + 6.2a = -3

Add '-10' to each side of the equation.
10 + -10 + 6.2a = -3 + -10

Combine like terms: 10 + -10 = 0
0 + 6.2a = -3 + -10
6.2a = -3 + -10

Combine like terms: -3 + -10 = -13
6.2a = -13

Divide each side by '6.2'.
a = -2.096774194

Simplifying
a = -2.096774194

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