15a-5(a+1)=3(a-2)

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Solution for 15a-5(a+1)=3(a-2) equation:


Simplifying
15a + -5(a + 1) = 3(a + -2)

Reorder the terms:
15a + -5(1 + a) = 3(a + -2)
15a + (1 * -5 + a * -5) = 3(a + -2)
15a + (-5 + -5a) = 3(a + -2)

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

Combine like terms: 15a + -5a = 10a
-5 + 10a = 3(a + -2)

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

Solving
-5 + 10a = -6 + 3a

Solving for variable 'a'.

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

Add '-3a' to each side of the equation.
-5 + 10a + -3a = -6 + 3a + -3a

Combine like terms: 10a + -3a = 7a
-5 + 7a = -6 + 3a + -3a

Combine like terms: 3a + -3a = 0
-5 + 7a = -6 + 0
-5 + 7a = -6

Add '5' to each side of the equation.
-5 + 5 + 7a = -6 + 5

Combine like terms: -5 + 5 = 0
0 + 7a = -6 + 5
7a = -6 + 5

Combine like terms: -6 + 5 = -1
7a = -1

Divide each side by '7'.
a = -0.1428571429

Simplifying
a = -0.1428571429

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