4(a+5)=2a+12

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Solution for 4(a+5)=2a+12 equation:


Simplifying
4(a + 5) = 2a + 12

Reorder the terms:
4(5 + a) = 2a + 12
(5 * 4 + a * 4) = 2a + 12
(20 + 4a) = 2a + 12

Reorder the terms:
20 + 4a = 12 + 2a

Solving
20 + 4a = 12 + 2a

Solving for variable 'a'.

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

Add '-2a' to each side of the equation.
20 + 4a + -2a = 12 + 2a + -2a

Combine like terms: 4a + -2a = 2a
20 + 2a = 12 + 2a + -2a

Combine like terms: 2a + -2a = 0
20 + 2a = 12 + 0
20 + 2a = 12

Add '-20' to each side of the equation.
20 + -20 + 2a = 12 + -20

Combine like terms: 20 + -20 = 0
0 + 2a = 12 + -20
2a = 12 + -20

Combine like terms: 12 + -20 = -8
2a = -8

Divide each side by '2'.
a = -4

Simplifying
a = -4

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