2(15-4a)=4(3a+7)

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Solution for 2(15-4a)=4(3a+7) equation:


Simplifying
2(15 + -4a) = 4(3a + 7)
(15 * 2 + -4a * 2) = 4(3a + 7)
(30 + -8a) = 4(3a + 7)

Reorder the terms:
30 + -8a = 4(7 + 3a)
30 + -8a = (7 * 4 + 3a * 4)
30 + -8a = (28 + 12a)

Solving
30 + -8a = 28 + 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.
30 + -8a + -12a = 28 + 12a + -12a

Combine like terms: -8a + -12a = -20a
30 + -20a = 28 + 12a + -12a

Combine like terms: 12a + -12a = 0
30 + -20a = 28 + 0
30 + -20a = 28

Add '-30' to each side of the equation.
30 + -30 + -20a = 28 + -30

Combine like terms: 30 + -30 = 0
0 + -20a = 28 + -30
-20a = 28 + -30

Combine like terms: 28 + -30 = -2
-20a = -2

Divide each side by '-20'.
a = 0.1

Simplifying
a = 0.1

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