If x+2y=7 and 2x-2y=11 find the value of x
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Answer:
X+2y=7
2x-2y=11
X=7-2y--(1)
Putting in 2x-2y=11
2(7-2y)-2y=11
14-4y-2y=11
-4y-2y=11-14
-4y-2y=-3
-6y=-3
Y=1/2---(2)
Putting this in x+2y=7
X+2(1/2)=7
X+1=7
X=7-1
X=6
Step-by-step explanation:
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