3(4a-2)-5(a-3)=7

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Solution for 3(4a-2)-5(a-3)=7 equation:


Simplifying
3(4a + -2) + -5(a + -3) = 7

Reorder the terms:
3(-2 + 4a) + -5(a + -3) = 7
(-2 * 3 + 4a * 3) + -5(a + -3) = 7
(-6 + 12a) + -5(a + -3) = 7

Reorder the terms:
-6 + 12a + -5(-3 + a) = 7
-6 + 12a + (-3 * -5 + a * -5) = 7
-6 + 12a + (15 + -5a) = 7

Reorder the terms:
-6 + 15 + 12a + -5a = 7

Combine like terms: -6 + 15 = 9
9 + 12a + -5a = 7

Combine like terms: 12a + -5a = 7a
9 + 7a = 7

Solving
9 + 7a = 7

Solving for variable 'a'.

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

Add '-9' to each side of the equation.
9 + -9 + 7a = 7 + -9

Combine like terms: 9 + -9 = 0
0 + 7a = 7 + -9
7a = 7 + -9

Combine like terms: 7 + -9 = -2
7a = -2

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

Simplifying
a = -0.2857142857

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