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Zolol [24]
3 years ago
6

Solve the following system of equations. x - 2y = -2 7x - 3y = 19

Mathematics
1 answer:
dolphi86 [110]3 years ago
8 0

Answer:

Step-by-step explanation:

x-2y=-2     x=2y-2

7x-3y=19

substitute x  with 2y-2

7(2y-2)-3y=19     14y-14-3y=19       11y=33   y=3

substitue 3 for y

x-2(3)=-2     x-6=-2      x=4

x=4, y=3

btw if theres more similar questions like this use symbolab a website that solves and show you step by step in solving equations

really useful

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