SOLUTION: How are addition and multiplication used to solve a linear equation? Demonstrate by solving "15x + 7 = 31 + 3x"
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Question 323838: How are addition and multiplication used to solve a linear equation? Demonstrate by solving "15x + 7 = 31 + 3x"
Answer by Hoya(2) (Show Source): You can put this solution on YOUR website!
15x + 7= 31 +3x
15x-3x=31-7
12x =24x
12x divided by 12=24 divide by 12
The final answer become :
x =2
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