7(2a-1)=28

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Solution for 7(2a-1)=28 equation: 


Simplifying
7(2a + -1) = 28

Reorder the terms:
7(-1 + 2a) = 28
(-1 * 7 + 2a * 7) = 28
(-7 + 14a) = 28

Solving
-7 + 14a = 28

Solving for variable 'a'.

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

Add '7' to each side of the equation.
-7 + 7 + 14a = 28 + 7

Combine like terms: -7 + 7 = 0
0 + 14a = 28 + 7
14a = 28 + 7

Combine like terms: 28 + 7 = 35
14a = 35

Divide each side by '14'.
a = 2.5

Simplifying
a = 2.5

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