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

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


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

Reorder the terms:
3(-5 + a) + -5a = 2a + 9
(-5 * 3 + a * 3) + -5a = 2a + 9
(-15 + 3a) + -5a = 2a + 9

Combine like terms: 3a + -5a = -2a
-15 + -2a = 2a + 9

Reorder the terms:
-15 + -2a = 9 + 2a

Solving
-15 + -2a = 9 + 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.
-15 + -2a + -2a = 9 + 2a + -2a

Combine like terms: -2a + -2a = -4a
-15 + -4a = 9 + 2a + -2a

Combine like terms: 2a + -2a = 0
-15 + -4a = 9 + 0
-15 + -4a = 9

Add '15' to each side of the equation.
-15 + 15 + -4a = 9 + 15

Combine like terms: -15 + 15 = 0
0 + -4a = 9 + 15
-4a = 9 + 15

Combine like terms: 9 + 15 = 24
-4a = 24

Divide each side by '-4'.
a = -6

Simplifying
a = -6

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