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5 votes
2x-y=-10 y=4 what is the solution

User DarioP
by
4.3k points

1 Answer

4 votes

Answer:

x=-3

y=4

Explanation:

2x-y=-10

y=4

Substitute y = 4 into the first equation

2x-(4) = -10

2x -4 = -10

Add 4 to each side

2x-4+4 = -10+4

2x = -6

Divide each side by 2

2x/2 = -6/2

x =-3


User Ezequiel
by
4.0k points