Answer:
20
Step-by-step explanation:
Step 1:
3x = 7 Equation
Step 2:
x = 7 ÷ 3 Divide
Step 3:
x = 2 1/3
Step 4:
9 ( 2 1/3 ) - 1 Input x
Step 5:
( 9/1 × 7/3 ) - 1 Multiply
Step 6:
21 - 1 Multiply
Hope This Helps :)
