7a+3=43-a

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Solution for 7a+3=43-a equation:


Simplifying
7a + 3 = 43 + -1a

Reorder the terms:
3 + 7a = 43 + -1a

Solving
3 + 7a = 43 + -1a

Solving for variable 'a'.

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

Add 'a' to each side of the equation.
3 + 7a + a = 43 + -1a + a

Combine like terms: 7a + a = 8a
3 + 8a = 43 + -1a + a

Combine like terms: -1a + a = 0
3 + 8a = 43 + 0
3 + 8a = 43

Add '-3' to each side of the equation.
3 + -3 + 8a = 43 + -3

Combine like terms: 3 + -3 = 0
0 + 8a = 43 + -3
8a = 43 + -3

Combine like terms: 43 + -3 = 40
8a = 40

Divide each side by '8'.
a = 5

Simplifying
a = 5

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