3 years ago

3X - 2y = 2 5x - 5y = 10

Mathematics

2 answers:

KonstantinChe [14]3 years ago

6 0

Y= 3x over -2 x= 2+9

jasenka [17]3 years ago

6 0

Answer:

x = -2 y = -4

Step-by-step explanation:

3x- 2y = 2 -> 15x - 10y = 10

5x - 5y = 10 -> 15x - 15y = 30

Substract one equation from another:

15x - 15x - 10y + 15y = 10 -30

5y = -20

y = -4

Plug in y into an equation

3x + 8 = 2

3x = - 6

x = - 2

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