Two friends, Selma and Khalid are revising algebra. Khalid says: 'I am thinking of a number. If you multiply it by 3 and subtrac

Question

2 years ago

11

t 6, you get the same answer as adding the number to 7'. Call Khalid's number y and form an equation

1 answer:

kogti [31] · Answer 1 · 2022-07-14T23:04:34+03:00

kogti [31]2 years ago

5 0

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