4(2a+3)=3(a-1)+31

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Solution for 4(2a+3)=3(a-1)+31 equation:


Simplifying
4(2a + 3) = 3(a + -1) + 31

Reorder the terms:
4(3 + 2a) = 3(a + -1) + 31
(3 * 4 + 2a * 4) = 3(a + -1) + 31
(12 + 8a) = 3(a + -1) + 31

Reorder the terms:
12 + 8a = 3(-1 + a) + 31
12 + 8a = (-1 * 3 + a * 3) + 31
12 + 8a = (-3 + 3a) + 31

Reorder the terms:
12 + 8a = -3 + 31 + 3a

Combine like terms: -3 + 31 = 28
12 + 8a = 28 + 3a

Solving
12 + 8a = 28 + 3a

Solving for variable 'a'.

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

Add '-3a' to each side of the equation.
12 + 8a + -3a = 28 + 3a + -3a

Combine like terms: 8a + -3a = 5a
12 + 5a = 28 + 3a + -3a

Combine like terms: 3a + -3a = 0
12 + 5a = 28 + 0
12 + 5a = 28

Add '-12' to each side of the equation.
12 + -12 + 5a = 28 + -12

Combine like terms: 12 + -12 = 0
0 + 5a = 28 + -12
5a = 28 + -12

Combine like terms: 28 + -12 = 16
5a = 16

Divide each side by '5'.
a = 3.2

Simplifying
a = 3.2

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