anabellebrice10 anabellebrice10

13-11-2020
Mathematics

contestada

What is the solution to the following system of equations?

y + x = 43

y − x = −12

Respuesta :

mhanifa mhanifa

15-11-2020

Answer:

(27.5, 15.5)

Step-by-step explanation:

Given

y + x = 43
y − x = −12

Solution

Sum up the equations:

y + x + y - x = 43 - 12
2y = 31
y = 31/2
y = 15.5
x = 43 - 15.5 = 27.5

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