20a+35=100+7a

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Solution for 20a+35=100+7a equation:


Simplifying
20a + 35 = 100 + 7a

Reorder the terms:
35 + 20a = 100 + 7a

Solving
35 + 20a = 100 + 7a

Solving for variable 'a'.

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

Add '-7a' to each side of the equation.
35 + 20a + -7a = 100 + 7a + -7a

Combine like terms: 20a + -7a = 13a
35 + 13a = 100 + 7a + -7a

Combine like terms: 7a + -7a = 0
35 + 13a = 100 + 0
35 + 13a = 100

Add '-35' to each side of the equation.
35 + -35 + 13a = 100 + -35

Combine like terms: 35 + -35 = 0
0 + 13a = 100 + -35
13a = 100 + -35

Combine like terms: 100 + -35 = 65
13a = 65

Divide each side by '13'.
a = 5

Simplifying
a = 5

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