PLEASE HELP!!!!!!!!!! Solve this system of linear equations. Separate

Mathematics

1 answer:

g100num [7]3 years ago

7 0

Answer:

14.5,8.75

Step-by-step explanation:

Given equations:

-3x = -26 -2y ----------- i

-11x = 90 - 2y --------- ii

To solve this problem, simply subtract equation ii from i;

[-3x -(-11x)] = {-26 - 90] -[-2y - (-2y)]

8x = 116

x = 14.5;

Then substitute x = 14.5 into i to solve for y;

-3(14.5) = -26 - 2y

-43.5 = -26 -2y

-43.5 + 26 = -2y

-17.5 = -2y

y = 8.75

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