Seudónimo Seudónimo

22-12-2020
Mathematics

contestada

Solve the system.
-2x + 1/2y
= 3/2
x - зу
= 2
Find the value of 'x'.

Respuesta :

clarch19 clarch19

28-12-2020

Answer:

x = -1

Step-by-step explanation:

i multiplied the first equation by 2 to eliminate the fractions and got:

-4x + y = 3

used substitution method: y = 3 + 4x

x - 3(3 + 4x) = 2

x - 9 -12x = 2

-11x = 11

x = -1

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