Question

find the value of x so that
${( - 8)}^{ - 4} \times {( - 8)}^{7} = {( - 8)}^{4x - 3}$
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Answer 1

i think the answer is 1.5

Answer 2

As the base are same we will focus on the power.
-4+7=4x-3
3=4x-3
4x=0
x=0