find the solution by substitution method 3x+2y= –11 and x -2y=-9
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Answer:
3x+2y=-11
3x=-(11+2y)
x=-(11+2y)/3
substitute x value
x-2y=-9
-(11+2y)/3-2y=-9
-11-2y-6y=-27
-8y=-16
y=2
substitute y value in any equation
x-2y=-9
x-4=-9
x=-5
Step-by-step explanation:
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