SOLUTION: 2. How are addition and multiplication used to solve a linear equation? Demonstrate by solving "15x + 7 = 31 + 3x" thank you!

Algebra ->  Linear-equations -> SOLUTION: 2. How are addition and multiplication used to solve a linear equation? Demonstrate by solving "15x + 7 = 31 + 3x" thank you!      Log On


   

Question 182547: 2.
How are addition and multiplication used to solve a linear equation? Demonstrate by solving "15x + 7 = 31 + 3x"

thank you!
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
How are addition and multiplication used to solve a linear equation? Demonstrate by solving
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"15x + 7 = 31 + 3x"
Add 15x to both sides to get:
7 = 31 + 18x
Subtract 31 from both sides to get:
-24 = 18x
Divide both sides by 18 to get:
x = -24/18
Simplify:
x = -4/3
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Cheers,
Stan H.