-3(4a+3)+4(6a+1)=31

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Solution for -3(4a+3)+4(6a+1)=31 equation:


Simplifying
-3(4a + 3) + 4(6a + 1) = 31

Reorder the terms:
-3(3 + 4a) + 4(6a + 1) = 31
(3 * -3 + 4a * -3) + 4(6a + 1) = 31
(-9 + -12a) + 4(6a + 1) = 31

Reorder the terms:
-9 + -12a + 4(1 + 6a) = 31
-9 + -12a + (1 * 4 + 6a * 4) = 31
-9 + -12a + (4 + 24a) = 31

Reorder the terms:
-9 + 4 + -12a + 24a = 31

Combine like terms: -9 + 4 = -5
-5 + -12a + 24a = 31

Combine like terms: -12a + 24a = 12a
-5 + 12a = 31

Solving
-5 + 12a = 31

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 + 12a = 31 + 5

Combine like terms: -5 + 5 = 0
0 + 12a = 31 + 5
12a = 31 + 5

Combine like terms: 31 + 5 = 36
12a = 36

Divide each side by '12'.
a = 3

Simplifying
a = 3

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