2a+3(a+4)=28

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Solution for 2a+3(a+4)=28 equation:


Simplifying
2a + 3(a + 4) = 28

Reorder the terms:
2a + 3(4 + a) = 28
2a + (4 * 3 + a * 3) = 28
2a + (12 + 3a) = 28

Reorder the terms:
12 + 2a + 3a = 28

Combine like terms: 2a + 3a = 5a
12 + 5a = 28

Solving
12 + 5a = 28

Solving for variable 'a'.

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

Add '-12' to each side of the equation.
12 + -12 + 5a = 28 + -12

Combine like terms: 12 + -12 = 0
0 + 5a = 28 + -12
5a = 28 + -12

Combine like terms: 28 + -12 = 16
5a = 16

Divide each side by '5'.
a = 3.2

Simplifying
a = 3.2

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