find the value of x: (-2)power3 × (-2)power-6 = (-2)power2x-1
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Step-by-step explanation:
(-2)^3×(-2)^6=(-2)^(2x-1)
=>(-2)^9=(-2)^(2x-1)
=>2x-1=9
=>2x=9+1
=>2x=10
=>x=10/2
=>x=5
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