3(a+5)=4(a+1)

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


Simplifying
3(a + 5) = 4(a + 1)

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

Reorder the terms:
15 + 3a = 4(1 + a)
15 + 3a = (1 * 4 + a * 4)
15 + 3a = (4 + 4a)

Solving
15 + 3a = 4 + 4a

Solving for variable 'a'.

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

Add '-4a' to each side of the equation.
15 + 3a + -4a = 4 + 4a + -4a

Combine like terms: 3a + -4a = -1a
15 + -1a = 4 + 4a + -4a

Combine like terms: 4a + -4a = 0
15 + -1a = 4 + 0
15 + -1a = 4

Add '-15' to each side of the equation.
15 + -15 + -1a = 4 + -15

Combine like terms: 15 + -15 = 0
0 + -1a = 4 + -15
-1a = 4 + -15

Combine like terms: 4 + -15 = -11
-1a = -11

Divide each side by '-1'.
a = 11

Simplifying
a = 11

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