Question

Find the value of x in each of the following:

(a) (7)6 ÷(7)4-x = 7⁸​

Answer 1

Answer:

7×6÷7×4-x=7^8

42÷28-x=7^8

1.5-x=7^8

-x=7^8-1.5

x=-5764799.5

Answer 2

Answer:

${7}^{6} \div {7}^{4 - x} = {7}^{8}$

$= > { 7}^{6 - (4 - x)} = {7}^{8}$

$= > {7}^{2 + x} = {7}^{8}$

$= > 2 + x = 8$

$= > x = 6$

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