21-3g=20+2g

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Solution for 21-3g=20+2g equation:


Simplifying
21 + -3g = 20 + 2g

Solving
21 + -3g = 20 + 2g

Solving for variable 'g'.

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

Add '-2g' to each side of the equation.
21 + -3g + -2g = 20 + 2g + -2g

Combine like terms: -3g + -2g = -5g
21 + -5g = 20 + 2g + -2g

Combine like terms: 2g + -2g = 0
21 + -5g = 20 + 0
21 + -5g = 20

Add '-21' to each side of the equation.
21 + -21 + -5g = 20 + -21

Combine like terms: 21 + -21 = 0
0 + -5g = 20 + -21
-5g = 20 + -21

Combine like terms: 20 + -21 = -1
-5g = -1

Divide each side by '-5'.
g = 0.2

Simplifying
g = 0.2

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