5(3a+2)+a=-2(2a-7)-9

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Solution for 5(3a+2)+a=-2(2a-7)-9 equation:


Simplifying
5(3a + 2) + a = -2(2a + -7) + -9

Reorder the terms:
5(2 + 3a) + a = -2(2a + -7) + -9
(2 * 5 + 3a * 5) + a = -2(2a + -7) + -9
(10 + 15a) + a = -2(2a + -7) + -9

Combine like terms: 15a + a = 16a
10 + 16a = -2(2a + -7) + -9

Reorder the terms:
10 + 16a = -2(-7 + 2a) + -9
10 + 16a = (-7 * -2 + 2a * -2) + -9
10 + 16a = (14 + -4a) + -9

Reorder the terms:
10 + 16a = 14 + -9 + -4a

Combine like terms: 14 + -9 = 5
10 + 16a = 5 + -4a

Solving
10 + 16a = 5 + -4a

Solving for variable 'a'.

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

Add '4a' to each side of the equation.
10 + 16a + 4a = 5 + -4a + 4a

Combine like terms: 16a + 4a = 20a
10 + 20a = 5 + -4a + 4a

Combine like terms: -4a + 4a = 0
10 + 20a = 5 + 0
10 + 20a = 5

Add '-10' to each side of the equation.
10 + -10 + 20a = 5 + -10

Combine like terms: 10 + -10 = 0
0 + 20a = 5 + -10
20a = 5 + -10

Combine like terms: 5 + -10 = -5
20a = -5

Divide each side by '20'.
a = -0.25

Simplifying
a = -0.25

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