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

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


Simplifying
3(4 + -5a) + -2(5 + -4a) = 0
(4 * 3 + -5a * 3) + -2(5 + -4a) = 0
(12 + -15a) + -2(5 + -4a) = 0
12 + -15a + (5 * -2 + -4a * -2) = 0
12 + -15a + (-10 + 8a) = 0

Reorder the terms:
12 + -10 + -15a + 8a = 0

Combine like terms: 12 + -10 = 2
2 + -15a + 8a = 0

Combine like terms: -15a + 8a = -7a
2 + -7a = 0

Solving
2 + -7a = 0

Solving for variable 'a'.

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

Add '-2' to each side of the equation.
2 + -2 + -7a = 0 + -2

Combine like terms: 2 + -2 = 0
0 + -7a = 0 + -2
-7a = 0 + -2

Combine like terms: 0 + -2 = -2
-7a = -2

Divide each side by '-7'.
a = 0.2857142857

Simplifying
a = 0.2857142857

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