What should you do first in solving this equation?
x2 + 6x - 13 = 3

x = 2

Step-by-step explanation:

x2 + 6x - 13 = 3

first you add 13 to other side and get

x2 + 6x = 16

next you combine x's

8x = 16

then you divde the 8x by 16

and you get x = 2

3x + 4y -25 =0 represents the amount of change sianna should recieve

e

step-by-step explanation:

an equation by definition has to have two or more variables (x and 2 in this case)