x+2y=210
x+y=130
by substitution method
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1
Answer:
x = 50 and y = 80
Step-by-step explanation:
x+2y=210
x+y=130
=> x = 210-2y
x + y = 130
=> (210-2y) + y = 130
=> 210 - y = 130
=> -y = 130-210
=> -y = −80
=> y = 80
x = 210-2y
x = 210 - (2×80)
x = 210 - 160
=> x = 50
hope that helps u :)
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