3(-7)=2(10+g)

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Solution for 3(-7)=2(10+g) equation:


Simplifying
3(-7) = 2(10 + g)

Multiply 3 * -7
-21 = 2(10 + g)
-21 = (10 * 2 + g * 2)
-21 = (20 + 2g)

Solving
-21 = 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 + -2g = 20 + 2g + -2g

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

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

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

Combine like terms: 20 + 21 = 41
-2g = 41

Divide each side by '-2'.
g = -20.5

Simplifying
g = -20.5

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