3a-5=2(4a-9)

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Solution for 3a-5=2(4a-9) equation:


Simplifying
3a + -5 = 2(4a + -9)

Reorder the terms:
-5 + 3a = 2(4a + -9)

Reorder the terms:
-5 + 3a = 2(-9 + 4a)
-5 + 3a = (-9 * 2 + 4a * 2)
-5 + 3a = (-18 + 8a)

Solving
-5 + 3a = -18 + 8a

Solving for variable 'a'.

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

Add '-8a' to each side of the equation.
-5 + 3a + -8a = -18 + 8a + -8a

Combine like terms: 3a + -8a = -5a
-5 + -5a = -18 + 8a + -8a

Combine like terms: 8a + -8a = 0
-5 + -5a = -18 + 0
-5 + -5a = -18

Add '5' to each side of the equation.
-5 + 5 + -5a = -18 + 5

Combine like terms: -5 + 5 = 0
0 + -5a = -18 + 5
-5a = -18 + 5

Combine like terms: -18 + 5 = -13
-5a = -13

Divide each side by '-5'.
a = 2.6

Simplifying
a = 2.6

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