[tex] \implies \sf \large5y + 45 = 100[/tex]
[tex] \implies \sf \large5y = 100 - 45[/tex]
[tex] \implies \sf \large5y = 55[/tex]
[tex] \implies \sf \large \frac{ \cancel5y}{ \cancel5} = \frac{55}{5} \\ [/tex]
[tex] \implies \sf \large \therefore \: \orange{y = 11} \\ [/tex]
[tex] \sf \huge \orange{y = 11}[/tex]
#CarryOnLearning
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