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Quickkk please help and how all work

x=3y-1
3x+4y=10

User IRHM
by
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1 Answer

10 votes

Answer:

y=1, x=2

Explanation:

so first solve for y. plus x=3y-1 into the other equation.

so 3(3y-1)+4y=10.

Simplify

9y-3+4y=10 Add 3 to both sides

9y+4y=13 Add

13y=13 . Divide 13 from both sides

y=1

Plug 1 into the first equation.

x=3(1)-1

x=3-1

x=2 and y=1

User MooHa
by
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