2(a+6)=7a+30

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Solution for 2(a+6)=7a+30 equation:


Simplifying
2(a + 6) = 7a + 30

Reorder the terms:
2(6 + a) = 7a + 30
(6 * 2 + a * 2) = 7a + 30
(12 + 2a) = 7a + 30

Reorder the terms:
12 + 2a = 30 + 7a

Solving
12 + 2a = 30 + 7a

Solving for variable 'a'.

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

Add '-7a' to each side of the equation.
12 + 2a + -7a = 30 + 7a + -7a

Combine like terms: 2a + -7a = -5a
12 + -5a = 30 + 7a + -7a

Combine like terms: 7a + -7a = 0
12 + -5a = 30 + 0
12 + -5a = 30

Add '-12' to each side of the equation.
12 + -12 + -5a = 30 + -12

Combine like terms: 12 + -12 = 0
0 + -5a = 30 + -12
-5a = 30 + -12

Combine like terms: 30 + -12 = 18
-5a = 18

Divide each side by '-5'.
a = -3.6

Simplifying
a = -3.6

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