5(a-1)-2a=30

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Solution for 5(a-1)-2a=30 equation:


Simplifying
5(a + -1) + -2a = 30

Reorder the terms:
5(-1 + a) + -2a = 30
(-1 * 5 + a * 5) + -2a = 30
(-5 + 5a) + -2a = 30

Combine like terms: 5a + -2a = 3a
-5 + 3a = 30

Solving
-5 + 3a = 30

Solving for variable 'a'.

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

Add '5' to each side of the equation.
-5 + 5 + 3a = 30 + 5

Combine like terms: -5 + 5 = 0
0 + 3a = 30 + 5
3a = 30 + 5

Combine like terms: 30 + 5 = 35
3a = 35

Divide each side by '3'.
a = 11.66666667

Simplifying
a = 11.66666667

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