3(2a-5)=(a+10)-15

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Solution for 3(2a-5)=(a+10)-15 equation:


Simplifying
3(2a + -5) = (a + 10) + -15

Reorder the terms:
3(-5 + 2a) = (a + 10) + -15
(-5 * 3 + 2a * 3) = (a + 10) + -15
(-15 + 6a) = (a + 10) + -15

Reorder the terms:
-15 + 6a = (10 + a) + -15

Remove parenthesis around (10 + a)
-15 + 6a = 10 + a + -15

Reorder the terms:
-15 + 6a = 10 + -15 + a

Combine like terms: 10 + -15 = -5
-15 + 6a = -5 + a

Solving
-15 + 6a = -5 + a

Solving for variable 'a'.

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

Add '-1a' to each side of the equation.
-15 + 6a + -1a = -5 + a + -1a

Combine like terms: 6a + -1a = 5a
-15 + 5a = -5 + a + -1a

Combine like terms: a + -1a = 0
-15 + 5a = -5 + 0
-15 + 5a = -5

Add '15' to each side of the equation.
-15 + 15 + 5a = -5 + 15

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

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

Divide each side by '5'.
a = 2

Simplifying
a = 2

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