4(2a+1)-15=3(4a+5)

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Solution for 4(2a+1)-15=3(4a+5) equation:


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

Reorder the terms:
4(1 + 2a) + -15 = 3(4a + 5)
(1 * 4 + 2a * 4) + -15 = 3(4a + 5)
(4 + 8a) + -15 = 3(4a + 5)

Reorder the terms:
4 + -15 + 8a = 3(4a + 5)

Combine like terms: 4 + -15 = -11
-11 + 8a = 3(4a + 5)

Reorder the terms:
-11 + 8a = 3(5 + 4a)
-11 + 8a = (5 * 3 + 4a * 3)
-11 + 8a = (15 + 12a)

Solving
-11 + 8a = 15 + 12a

Solving for variable 'a'.

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

Add '-12a' to each side of the equation.
-11 + 8a + -12a = 15 + 12a + -12a

Combine like terms: 8a + -12a = -4a
-11 + -4a = 15 + 12a + -12a

Combine like terms: 12a + -12a = 0
-11 + -4a = 15 + 0
-11 + -4a = 15

Add '11' to each side of the equation.
-11 + 11 + -4a = 15 + 11

Combine like terms: -11 + 11 = 0
0 + -4a = 15 + 11
-4a = 15 + 11

Combine like terms: 15 + 11 = 26
-4a = 26

Divide each side by '-4'.
a = -6.5

Simplifying
a = -6.5

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