Tell whether the ordered pair (−1, 4) is a solution of the system. -2x-3y=-10
-3x+y=7
True or False

True

Step-by-step explanation:

Rearrange like terms to the same side of the equation:

Substitute into one of the equations:

Apply the Distributive Property:

Combine like terms:

Rearrange variables to the left side of the equation:

Calculate the sum or difference:

Divide both sides of the equation by the coefficient of variable:

Cross out the common factor:

Substitute into one of the equations:

×

Calculate:

The solution of the system is:

Express solutions in ordered pairs:

Determine whether and are equivalent:

True

the final price would be 29.6925

step-by-step explanation:

39.59 minus 25% equals 29.6925