Answer:
Step-by-step explanation:
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6.6
x=-10
x=7
2x+6=x-4
2x-x=-6-4
20x-8=18x+6
20x-18x=6+8
2x=14
(20, -12)
it is (20, -12)
-(3/4)x+3=-12
x=20
-3/4(20)+3=-12