Dragonskeld
16.04.2021 •
Mathematics
Solve the system of equations using the substitution method.
x - 2y = -2
-4x + 3y = -5
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Ответ:
Ответ:
x=16/5, y=13/5
Step-by-step explanation:
Multiply by 4 on the first equation and get a new equation: 4x-8y=-8Plus the new and second equation: 4x-8y+(-4x+3y)=-8+(-5), and got -5y=-13, so y=13/5After getting y=13/5, substitute in the first equation, x-2*(13/5)=-5, and got x=16/5Ответ: