Answered

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x - y = -1 ; 3x - 2y = 6

Sagot :

miachirinos
Solve for the first variable in one of the equations, then substitute the result into the other equation.

View image miachirinos
Hedgehog68

Answer:

x = 8

y = 9

Step-by-step explanation:

x - y = -1

Add y to both sides to get x by itself:

x = -1 + y

3(-1 + y) - 2y = 6

-3 + 3y - 2y = 6

-3 + y = 6

y = 9

x - 9 = -1

x = 8

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