3 years ago

Solve 2y = 6x + 10 y = 2x + 4

Mathematics

1 answer:

mihalych1998 [28]3 years ago

7 0

Answer:

x =-1

Step-by-step explanation:

$\left \{ {{2y = 6x +10} \atop {y = 2x +4}} \right.$

replace y by 2x +4 in the first equation

2(2x + 4) = 6x + 10

4x + 8 = 6x + 10

-2x +8 = 10

-2x = 2

x = -1

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