Question

1. Check, if the value given in the bracket is the root of the equation or not.
a) 3x + 9 = 20 (x = 3)
b) 7x - 15 = 6 (x = 4)
c) 7y x 9 = 63 (y = 1)
d) 8y = 43 (y = 5)
e) 5×/6+4=9(×=6) f) 3y-5=10(y=5) g) 7×÷5-20 = -6 (x=10)​

Answer 1

Answer:

3*3+9=20

9+9=20

18≠20

Step-by-step explanation:

7×4-15=6

28-15=6

13≠6

Answer 2

Answer:

Step-by-step explanation: