Asked by kyra
what is -3x-y=-15 using the 8x+4y=48 elimination method
Answers
Answered by
PsyDAG
8x + 4y= 48
Multiply by 4.
-12x - 4y = 60
Add first and second equations.
-4x = -12
x = 3
Insert x value into one equation to find y. Check by putting both values into the other equation.
Multiply by 4.
-12x - 4y = 60
Add first and second equations.
-4x = -12
x = 3
Insert x value into one equation to find y. Check by putting both values into the other equation.
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