Answer:
Use distributive property to get rid of the parentheses.
Step-by-step explanation:
9+7(x-1)=4x+14
Use the order the operations (PEMDAS)
Parentheses
Exponents
Multiply
Divide
Add
Subtract
First you need to get rid of the parentheses by using distributive property.
9+7x-7=4x+14
