solve by elimination method.
x+y=15 and 2x - y = 21
step by step explanation
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Answer:
x=12,y=3
hope this helps u
Step-by-step explanation:
add both the equations
3x=36
x=36/3
x=12
x+y=15
12+y=15
y=15-12
y=3
hence, x=12,y=3
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