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Sagot :
Answer:
y = (x-4)/2
Step-by-step explanation:
x = 4 + 2y, x - 4 = 2y, (x-4)/2 = y, y = (x-4)/2
Answer:
[tex]{ \rm{y = 4 + 2x}}[/tex]
• let y be m
[tex]{ \rm{m = 4 + 2x}} \\ [/tex]
• make x the subject:
[tex]{ \rm{2x = m - 4}} \\ \\ \hookrightarrow \: { \rm{x = \frac{m - 4}{2} }} \\ [/tex]
• substitute m with x
[tex]{ \boxed{ \rm{ \: {y}^{ - 1} = \frac{x - 4}{2} \: \: }}}[/tex]
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