9a-(3a-8)=3(7a-2)

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Solution for 9a-(3a-8)=3(7a-2) equation:


Simplifying
9a + -1(3a + -8) = 3(7a + -2)

Reorder the terms:
9a + -1(-8 + 3a) = 3(7a + -2)
9a + (-8 * -1 + 3a * -1) = 3(7a + -2)
9a + (8 + -3a) = 3(7a + -2)

Reorder the terms:
8 + 9a + -3a = 3(7a + -2)

Combine like terms: 9a + -3a = 6a
8 + 6a = 3(7a + -2)

Reorder the terms:
8 + 6a = 3(-2 + 7a)
8 + 6a = (-2 * 3 + 7a * 3)
8 + 6a = (-6 + 21a)

Solving
8 + 6a = -6 + 21a

Solving for variable 'a'.

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

Add '-21a' to each side of the equation.
8 + 6a + -21a = -6 + 21a + -21a

Combine like terms: 6a + -21a = -15a
8 + -15a = -6 + 21a + -21a

Combine like terms: 21a + -21a = 0
8 + -15a = -6 + 0
8 + -15a = -6

Add '-8' to each side of the equation.
8 + -8 + -15a = -6 + -8

Combine like terms: 8 + -8 = 0
0 + -15a = -6 + -8
-15a = -6 + -8

Combine like terms: -6 + -8 = -14
-15a = -14

Divide each side by '-15'.
a = 0.9333333333

Simplifying
a = 0.9333333333

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