SOLUTION: Write the sentence as an equation, using x for the unknown number. Then solve the equation.
When 2 times a number is subtracted from 7 times the number, the result is 50. Find t
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Question 94648: Write the sentence as an equation, using x for the unknown number. Then solve the equation.
When 2 times a number is subtracted from 7 times the number, the result is 50. Find the number.
Answer by tutorcecilia(2152) (Show Source): You can put this solution on YOUR website!
7x-2x=50
5x=50
5x/5=50/5
x=10
.
Check by plugging (x=10) back into the original equation.
7x-2x=50
7(10)-2(10)=50
70-20=50
50=50 [checks out]
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