Two friends, Selma and Khalid are revising algebra. Khalid says: 'I am thinking of a number. If you multiply it by 3 and subtrac
t 6, you get the same answer as adding the number to 7'. Call Khalid's number y and form an equation
1 answer:
Answer:
Equation: 3y - 6 = y + 7
y = 6.5
Step-by-step explanation:
Step 1: Write out equation
3y - 6 = y + 7
Step 2: Solve for <em>y</em>
2y - 6 = 7
2y = 13
y = 13/2 or 6.5
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