$a=-5$ and $b=7$
Work Step by Step
We are given: $-3\lt x\lt 3$ We multiply by $-2$: $-2*-3\gt -2*x\gt -2*3$ $6\gt -2x\gt -6$ We add $1$: $6+1\gt -2x+1\gt -6+1$ $7\gt -2x+1\gt -5$ $-5\lt 1-2x\lt 7$ Therefore: $a=-5$ and $b=7$
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