WORKSHEET: ALGEBRA 2 - SOLUTION EXERCISE 3c


3) Work out these problems to find the unknown number:
c. A number minus five, all multiplied by two is equal to 30. What is the number?


(x - 5).2 = 30
2x - 10 = 30
2x = 30 + 10
2x = 40
x = 40/2
x = 20
The number is 20



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