Question

Using the properties of equality to solve the equation -2b + 7 = -13, you would _____.

add 13 and then divide by -2
add 13 and then add 2
subtract 7 and then add 2
subtract 7 and then divide by -2

Answer 1

i think that it is B

Answer 2

Subtract 7 & then divide by -2 You isolate the variable so you subtract 7 which is -2b=-13 Then you divide by-2 on both sides and get b=6.5