Question

If (2^3×-1+10)÷7=6 than x is equal to​

Answer 1

Answer:

2^3x-1 +10)÷7=6

(2^3x-1 +10)/7=6

(2^3x-1 +10)=42

2^3x-1=42–10=32

(2)^3x-1=(2)^5

3x-1=5

3x=6

x=6/3

x=2 , Answer

Answer 2

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$\frac{ {2}^{3x - 1} + 10}{7} = 6 \\ \\ {2}^{3x - 1} + 10 = 6 \times 7 \\ \\ {2}^{3x - 1} = 42 - 10 \\ \\ {2}^{3x - 1 } = 32\\ \\ {2}^{3x - 1} = {2}^{5} \\ \\ substituting \: the \: powers : - \\ \\ 3x - 1 = 5 \\ \\ 3x = 5 + 1 \\ \\ 3x = 6 \\ \\ x = 6 \div 3 \\ \\ x = 2$

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