9a-5(a+1)=2(a-3)

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Solution for 9a-5(a+1)=2(a-3) equation:


Simplifying
9a + -5(a + 1) = 2(a + -3)

Reorder the terms:
9a + -5(1 + a) = 2(a + -3)
9a + (1 * -5 + a * -5) = 2(a + -3)
9a + (-5 + -5a) = 2(a + -3)

Reorder the terms:
-5 + 9a + -5a = 2(a + -3)

Combine like terms: 9a + -5a = 4a
-5 + 4a = 2(a + -3)

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

Solving
-5 + 4a = -6 + 2a

Solving for variable 'a'.

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

Add '-2a' to each side of the equation.
-5 + 4a + -2a = -6 + 2a + -2a

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

Combine like terms: 2a + -2a = 0
-5 + 2a = -6 + 0
-5 + 2a = -6

Add '5' to each side of the equation.
-5 + 5 + 2a = -6 + 5

Combine like terms: -5 + 5 = 0
0 + 2a = -6 + 5
2a = -6 + 5

Combine like terms: -6 + 5 = -1
2a = -1

Divide each side by '2'.
a = -0.5

Simplifying
a = -0.5

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