16+7a=5(a-1)+5a

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Solution for 16+7a=5(a-1)+5a equation:


Simplifying
16 + 7a = 5(a + -1) + 5a

Reorder the terms:
16 + 7a = 5(-1 + a) + 5a
16 + 7a = (-1 * 5 + a * 5) + 5a
16 + 7a = (-5 + 5a) + 5a

Combine like terms: 5a + 5a = 10a
16 + 7a = -5 + 10a

Solving
16 + 7a = -5 + 10a

Solving for variable 'a'.

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

Add '-10a' to each side of the equation.
16 + 7a + -10a = -5 + 10a + -10a

Combine like terms: 7a + -10a = -3a
16 + -3a = -5 + 10a + -10a

Combine like terms: 10a + -10a = 0
16 + -3a = -5 + 0
16 + -3a = -5

Add '-16' to each side of the equation.
16 + -16 + -3a = -5 + -16

Combine like terms: 16 + -16 = 0
0 + -3a = -5 + -16
-3a = -5 + -16

Combine like terms: -5 + -16 = -21
-3a = -21

Divide each side by '-3'.
a = 7

Simplifying
a = 7

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