How can the subtraction property of equality be used to solve addition equations?

substitution Property of equality is the idea that if x=y, you can then plug x in for y in any equation that y is in. This is helpful if you have two equations where you need to solve for two different variables because you can find that x=y, and then when you plug it into an equation for y, you end up with some form of x=x, which can be easily solved by using addition, subtraction, multiplication and division to get both x to the same side of the equation, and then getting everything else to the other side.

Step-by-step explanation:

choice b is correct

step-by-step explanation:

we have been given the following system of linear inequalities;

we are required to graphically determine the solution to these system of inequalities. using a graphing tool, the solution is as shown in the attachment below;

associative property hopes this ! : )

step-by-step explanation: