Question

2 power x -1=4 solve this question

Answer 1

2 power x-1 = 2 power 2

x-1 = 2
x= 3

Answer 2

${2}^{(x - 1 )} = 4$
=>
${2}^{(x - 1)} = {2}^{2}$
by eualising the powers we get
=>x-1=2
=>X=2+1=3
.
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