x=4\5(x+10) please gave me answer
Answers
Answered by
39
Step-by-step explanation:
Given that x = 4/5(x + 10)
If the question is x = 4/5 × (x + 10)
→ x = [4(x + 10)]/5
→ x = (4x + 40)/5
→ 5x = 4x + 40
→ 5x - 4x = 40
→ x = 40
If the question is x = 4/[5(x + 10) then,
→ x = 4/[5(x + 10)]
→ x = 4/(5x + 50)
→ x(5x + 50) = 4
→ 5x² + 50x = 4
→ 5x² + 50x - 4 = 0
→ x = (-50 - √2420)/(-10)
→ x = 5 + 11√5/5
or
→ x = (-50 + √2420)/(-10)
→ x = 5 - 11√5/5
Answered by
7
Step-by-step explanation:
Hence, the value of x is 40.
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