7(2a+5)-7=6(a+8)

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Solution for 7(2a+5)-7=6(a+8) equation:


Simplifying
7(2a + 5) + -7 = 6(a + 8)

Reorder the terms:
7(5 + 2a) + -7 = 6(a + 8)
(5 * 7 + 2a * 7) + -7 = 6(a + 8)
(35 + 14a) + -7 = 6(a + 8)

Reorder the terms:
35 + -7 + 14a = 6(a + 8)

Combine like terms: 35 + -7 = 28
28 + 14a = 6(a + 8)

Reorder the terms:
28 + 14a = 6(8 + a)
28 + 14a = (8 * 6 + a * 6)
28 + 14a = (48 + 6a)

Solving
28 + 14a = 48 + 6a

Solving for variable 'a'.

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

Add '-6a' to each side of the equation.
28 + 14a + -6a = 48 + 6a + -6a

Combine like terms: 14a + -6a = 8a
28 + 8a = 48 + 6a + -6a

Combine like terms: 6a + -6a = 0
28 + 8a = 48 + 0
28 + 8a = 48

Add '-28' to each side of the equation.
28 + -28 + 8a = 48 + -28

Combine like terms: 28 + -28 = 0
0 + 8a = 48 + -28
8a = 48 + -28

Combine like terms: 48 + -28 = 20
8a = 20

Divide each side by '8'.
a = 2.5

Simplifying
a = 2.5

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