Use the website: mathpapa.com/algebra-calculator.html
Answer:
21
Step-by-step explanation:
put 21 were x is and then divide 21÷7=3
Answer:23
Step-by-step explanation:
Isolate the variable by dividing each side by factors that don't contain the variable.
f=e-g/d
1/4 .....divide the pizza by 4 ...so you get 1/4 ...taken by each friend !