7A+4=2(A+42)

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Solution for 7A+4=2(A+42) equation:


Simplifying
7A + 4 = 2(A + 42)

Reorder the terms:
4 + 7A = 2(A + 42)

Reorder the terms:
4 + 7A = 2(42 + A)
4 + 7A = (42 * 2 + A * 2)
4 + 7A = (84 + 2A)

Solving
4 + 7A = 84 + 2A

Solving for variable 'A'.

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

Add '-2A' to each side of the equation.
4 + 7A + -2A = 84 + 2A + -2A

Combine like terms: 7A + -2A = 5A
4 + 5A = 84 + 2A + -2A

Combine like terms: 2A + -2A = 0
4 + 5A = 84 + 0
4 + 5A = 84

Add '-4' to each side of the equation.
4 + -4 + 5A = 84 + -4

Combine like terms: 4 + -4 = 0
0 + 5A = 84 + -4
5A = 84 + -4

Combine like terms: 84 + -4 = 80
5A = 80

Divide each side by '5'.
A = 16

Simplifying
A = 16

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