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

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


Simplifying
3(5 + -2a) = 5(4 + -1a)
(5 * 3 + -2a * 3) = 5(4 + -1a)
(15 + -6a) = 5(4 + -1a)
15 + -6a = (4 * 5 + -1a * 5)
15 + -6a = (20 + -5a)

Solving
15 + -6a = 20 + -5a

Solving for variable 'a'.

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

Add '5a' to each side of the equation.
15 + -6a + 5a = 20 + -5a + 5a

Combine like terms: -6a + 5a = -1a
15 + -1a = 20 + -5a + 5a

Combine like terms: -5a + 5a = 0
15 + -1a = 20 + 0
15 + -1a = 20

Add '-15' to each side of the equation.
15 + -15 + -1a = 20 + -15

Combine like terms: 15 + -15 = 0
0 + -1a = 20 + -15
-1a = 20 + -15

Combine like terms: 20 + -15 = 5
-1a = 5

Divide each side by '-1'.
a = -5

Simplifying
a = -5

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