3A+10+2+c=A+A+20+c

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Solution for 3A+10+2+c=A+A+20+c equation:


Simplifying
3A + 10 + 2 + c = A + A + 20 + c

Reorder the terms:
10 + 2 + 3A + c = A + A + 20 + c

Combine like terms: 10 + 2 = 12
12 + 3A + c = A + A + 20 + c

Reorder the terms:
12 + 3A + c = 20 + A + A + c

Combine like terms: A + A = 2A
12 + 3A + c = 20 + 2A + c

Add '-1c' to each side of the equation.
12 + 3A + c + -1c = 20 + 2A + c + -1c

Combine like terms: c + -1c = 0
12 + 3A + 0 = 20 + 2A + c + -1c
12 + 3A = 20 + 2A + c + -1c

Combine like terms: c + -1c = 0
12 + 3A = 20 + 2A + 0
12 + 3A = 20 + 2A

Solving
12 + 3A = 20 + 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.
12 + 3A + -2A = 20 + 2A + -2A

Combine like terms: 3A + -2A = 1A
12 + 1A = 20 + 2A + -2A

Combine like terms: 2A + -2A = 0
12 + 1A = 20 + 0
12 + 1A = 20

Add '-12' to each side of the equation.
12 + -12 + 1A = 20 + -12

Combine like terms: 12 + -12 = 0
0 + 1A = 20 + -12
1A = 20 + -12

Combine like terms: 20 + -12 = 8
1A = 8

Divide each side by '1'.
A = 8

Simplifying
A = 8

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