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Step-by-step explanation:
7x+7y=7
-2x-7y=-9
7-7 will be Cut
so,
5x=-2
x=-2/5
x=-0.4
7(-0.4)+7y=7
-2.8+7y=7
7y=7+2.8
7y=9.8
y=9.8/7
y=1.4
HOPE IT HELPS!!