28+2a=4(1+2a)-3a

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Solution for 28+2a=4(1+2a)-3a equation:


Simplifying
28 + 2a = 4(1 + 2a) + -3a
28 + 2a = (1 * 4 + 2a * 4) + -3a
28 + 2a = (4 + 8a) + -3a

Combine like terms: 8a + -3a = 5a
28 + 2a = 4 + 5a

Solving
28 + 2a = 4 + 5a

Solving for variable 'a'.

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

Add '-5a' to each side of the equation.
28 + 2a + -5a = 4 + 5a + -5a

Combine like terms: 2a + -5a = -3a
28 + -3a = 4 + 5a + -5a

Combine like terms: 5a + -5a = 0
28 + -3a = 4 + 0
28 + -3a = 4

Add '-28' to each side of the equation.
28 + -28 + -3a = 4 + -28

Combine like terms: 28 + -28 = 0
0 + -3a = 4 + -28
-3a = 4 + -28

Combine like terms: 4 + -28 = -24
-3a = -24

Divide each side by '-3'.
a = 8

Simplifying
a = 8

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