5+2(10a-5)+15=

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Solution for 5+2(10a-5)+15= equation:


Simplifying
5 + 2(10a + -5) + 15 = 0

Reorder the terms:
5 + 2(-5 + 10a) + 15 = 0
5 + (-5 * 2 + 10a * 2) + 15 = 0
5 + (-10 + 20a) + 15 = 0

Reorder the terms:
5 + -10 + 15 + 20a = 0

Combine like terms: 5 + -10 = -5
-5 + 15 + 20a = 0

Combine like terms: -5 + 15 = 10
10 + 20a = 0

Solving
10 + 20a = 0

Solving for variable 'a'.

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

Add '-10' to each side of the equation.
10 + -10 + 20a = 0 + -10

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

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

Divide each side by '20'.
a = -0.5

Simplifying
a = -0.5

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