4+7a=20-3a

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Solution for 4+7a=20-3a equation:


Simplifying
4 + 7a = 20 + -3a

Solving
4 + 7a = 20 + -3a

Solving for variable 'a'.

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

Add '3a' to each side of the equation.
4 + 7a + 3a = 20 + -3a + 3a

Combine like terms: 7a + 3a = 10a
4 + 10a = 20 + -3a + 3a

Combine like terms: -3a + 3a = 0
4 + 10a = 20 + 0
4 + 10a = 20

Add '-4' to each side of the equation.
4 + -4 + 10a = 20 + -4

Combine like terms: 4 + -4 = 0
0 + 10a = 20 + -4
10a = 20 + -4

Combine like terms: 20 + -4 = 16
10a = 16

Divide each side by '10'.
a = 1.6

Simplifying
a = 1.6

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