SOLUTION: how do you write the equation 13(g+2)=78 step by step? I tried 13(4+2)=78

Question 344182: how do you write the equation 13(g+2)=78 step by step? I tried 13(4+2)=78
Found 2 solutions by Alan3354, nyc_function:
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
You wrote the equation.
I think you want to solve the equation for g.
-----------------
13(g+2)=78
Divide both sides by 13
g+2 = 6
Subtract 2
g = 4

Answer by nyc_function(2741) (Show Source): You can put this solution on YOUR website!
To solve an equation for a variable, means to isolate the variable on one side of the equation.

13(g + 2) = 78

Whenever you see a parentheses in any math question, remove it as your first step using the distributive rule.

13 times g = 13g

13 times 2 = 26

The equation now looks this way:

13g + 26 = 78

We now subtract 26 from 78.

13g = 78 - 26

13g = 52

Lastly, we divide 52 by 13 to find g.

g = 52/13

g = 4

The answer is g = 4.

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