Karla is given the equation 10x + 15 = 20 to solve. She says the solution is 1/2
.
Which reason justifies her solution?
Responses
A Karla says that to solve the equation you first add 15 and then multiply by 10.
B Karla says that to solve the equation you first multiply by 10 and then add 15.
C Karla says that to solve the equation you first subtract 15 and then divide by 10.
D Karla says that to solve the equation you first divide by 10 and then subtract 15.
1 answer
B Karla says that to solve the equation you first multiply by 10 and then add 15.