3+7a+7=20

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Solution for 3+7a+7=20 equation:


Simplifying
3 + 7a + 7 = 20

Reorder the terms:
3 + 7 + 7a = 20

Combine like terms: 3 + 7 = 10
10 + 7a = 20

Solving
10 + 7a = 20

Solving for variable 'a'.

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

Add '-10' to each side of the equation.
10 + -10 + 7a = 20 + -10

Combine like terms: 10 + -10 = 0
0 + 7a = 20 + -10
7a = 20 + -10

Combine like terms: 20 + -10 = 10
7a = 10

Divide each side by '7'.
a = 1.428571429

Simplifying
a = 1.428571429

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