7(4a-1)=13(2a+1)

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Solution for 7(4a-1)=13(2a+1) equation:


Simplifying
7(4a + -1) = 13(2a + 1)

Reorder the terms:
7(-1 + 4a) = 13(2a + 1)
(-1 * 7 + 4a * 7) = 13(2a + 1)
(-7 + 28a) = 13(2a + 1)

Reorder the terms:
-7 + 28a = 13(1 + 2a)
-7 + 28a = (1 * 13 + 2a * 13)
-7 + 28a = (13 + 26a)

Solving
-7 + 28a = 13 + 26a

Solving for variable 'a'.

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

Add '-26a' to each side of the equation.
-7 + 28a + -26a = 13 + 26a + -26a

Combine like terms: 28a + -26a = 2a
-7 + 2a = 13 + 26a + -26a

Combine like terms: 26a + -26a = 0
-7 + 2a = 13 + 0
-7 + 2a = 13

Add '7' to each side of the equation.
-7 + 7 + 2a = 13 + 7

Combine like terms: -7 + 7 = 0
0 + 2a = 13 + 7
2a = 13 + 7

Combine like terms: 13 + 7 = 20
2a = 20

Divide each side by '2'.
a = 10

Simplifying
a = 10

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