5(a-1)-15=3(a-2)+4

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Solution for 5(a-1)-15=3(a-2)+4 equation:


Simplifying
5(a + -1) + -15 = 3(a + -2) + 4

Reorder the terms:
5(-1 + a) + -15 = 3(a + -2) + 4
(-1 * 5 + a * 5) + -15 = 3(a + -2) + 4
(-5 + 5a) + -15 = 3(a + -2) + 4

Reorder the terms:
-5 + -15 + 5a = 3(a + -2) + 4

Combine like terms: -5 + -15 = -20
-20 + 5a = 3(a + -2) + 4

Reorder the terms:
-20 + 5a = 3(-2 + a) + 4
-20 + 5a = (-2 * 3 + a * 3) + 4
-20 + 5a = (-6 + 3a) + 4

Reorder the terms:
-20 + 5a = -6 + 4 + 3a

Combine like terms: -6 + 4 = -2
-20 + 5a = -2 + 3a

Solving
-20 + 5a = -2 + 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.
-20 + 5a + -3a = -2 + 3a + -3a

Combine like terms: 5a + -3a = 2a
-20 + 2a = -2 + 3a + -3a

Combine like terms: 3a + -3a = 0
-20 + 2a = -2 + 0
-20 + 2a = -2

Add '20' to each side of the equation.
-20 + 20 + 2a = -2 + 20

Combine like terms: -20 + 20 = 0
0 + 2a = -2 + 20
2a = -2 + 20

Combine like terms: -2 + 20 = 18
2a = 18

Divide each side by '2'.
a = 9

Simplifying
a = 9

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