Question

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Answer 1

$\large\underline{\sf{Solution-}}$

$\textsf{Given expression;}$

$\rm{23 = \frac{7}{9}(6x - 36) + 9 }$

$\rm{\longmapsto} \: 23 = \frac{(42x - 256)}{9} + 9$

$\rm{\longmapsto} \: 23 = \frac{(42x - 256 + 81)}{9}$

$\rm{\longmapsto} \: 23 = \frac{(42x - 175)}{9}$

$\rm{\longmapsto} \: \frac{23}{1} = \frac{(42x - 175)}{9}$

$\textsf{By doing cross multiplication, we get}$

$\rm{\longmapsto}23(9) = 1(42x - 175)$

$\rm{\longmapsto}207 =42x - 175$

$\rm{\longmapsto} \: 42x = - 175 - 207$

$\rm{\longmapsto} \: 42x = - 379$

$\rm \therefore \: x = - \frac{375}{42}$

$\textsf{Hence, the value of x will be -375/42 respectively.}$

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