What is the solution to the system of equations below? y=-6x-10
and
y=-3x-21
(2, -22)
(2,48)
(-2, 2)
(-2, -20)

Please check the explanation.

Step-by-step explanation:

Given the equations

solving the system of the equations

Arrange the equation variables for elimination

solve

Divide both sides by -3

Therefore, the solutions to the system of the equations are:

But, it seems none of the options is true.

answer:   14

step-by-step explanation:          

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(f - g)(x) = 5x^3 - 3

step-by-step explanation:

rearrange these functions vertically, with like terms in separate columns:

f(x) = 5x^3 - 2

g(x) =         +1

now subtract, column by column:

(f - g)(x) = 5x^3 - 3