1.×-4=7,2.×/3=-9,3.2×+4=8
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Answer:
1.
X-4=7
X=7+4
X=11
2.
X÷3= -9
X= -9×3
X= -27
3.
2X+4=8
2X=8-4
2X=4
X=4/2=2
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