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

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


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

Reorder the terms:
7(-7 + a) + 6 = 5(a + -7)
(-7 * 7 + a * 7) + 6 = 5(a + -7)
(-49 + 7a) + 6 = 5(a + -7)

Reorder the terms:
-49 + 6 + 7a = 5(a + -7)

Combine like terms: -49 + 6 = -43
-43 + 7a = 5(a + -7)

Reorder the terms:
-43 + 7a = 5(-7 + a)
-43 + 7a = (-7 * 5 + a * 5)
-43 + 7a = (-35 + 5a)

Solving
-43 + 7a = -35 + 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.
-43 + 7a + -5a = -35 + 5a + -5a

Combine like terms: 7a + -5a = 2a
-43 + 2a = -35 + 5a + -5a

Combine like terms: 5a + -5a = 0
-43 + 2a = -35 + 0
-43 + 2a = -35

Add '43' to each side of the equation.
-43 + 43 + 2a = -35 + 43

Combine like terms: -43 + 43 = 0
0 + 2a = -35 + 43
2a = -35 + 43

Combine like terms: -35 + 43 = 8
2a = 8

Divide each side by '2'.
a = 4

Simplifying
a = 4

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