Which of the following answers gives the best estimate for x given the following equation?

-2x + 902 = 1,518
Responses:
300
-300
600
-600

1 answer

To find the value of x, we need to isolate x by getting rid of the constant term on the left side of the equation.

Starting with -2x + 902 = 1,518, we can subtract 902 from both sides to get: -2x = 1,518 - 902.

Simplifying the right side gives: -2x = 616.

Finally, divide both sides by -2 to solve for x: x = 616 / -2 = -308.

Among the given options, the best estimate for x is -300.