Ex 2.3, 7 Solve the following equations and check your results. x = 4/5 (x + 10) 𝑥 = 4/5 (𝑥+10)
Multiplying both sides by 5
5𝑥=5×4/5 (𝑥+10)
5𝑥=4 (𝑥+10)
5𝑥=(4×𝑥)+(4×10)
5𝑥=4𝑥+40
5𝑥−4𝑥=40
𝒙=𝟒𝟎
L.H.S
x
= 40
R.H.S
4/5 (𝑥+10)
= 4/5 (40+10)
= 4/5 ×50=40
LHS = RHS
Hence verified

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Davneet Singh

Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 12 years. He provides courses for Maths and Science at Teachoo.