Choose the answer based on the most effecient method as presented in the lesson. If the first step in the solution of the equation -9+x=5x-7 is subtract x, then what should the next step be A.) subtract 5x
B.) add 7
C.) add 9

Correct answers A) Subtract 5x

Step-by-step explanation:

2222222222222222222

step-by-step explanation:

c.

step-by-step explanation:

she should of added 9^2 and 12^2. that is because it is a^2+b^2=c^2. c^2 is the hypotenuse and should always be bigger than the other two numbers. which is why she should of added 9 squared and 12 squared together instead of 15 squared.