Question

11. What is the value of y when 10y-5=20

Answer 1

Answer:

5/2

Step-by-step explanation:

The given equation to us is ,

$\implies 10y -5 = 20$

Add 5 both sides ,

$\implies 10y -5 +5 = 20 +5$

$\implies 10y = 25$

Divide both sides by 10 ,

$\implies 10y \div 10 = 25\div 10$

$\implies \boxed{ y = \dfrac{5}{2}}$

Answer 2

Answer:

y = 2.5

Step-by-step explanation:

Given

10y - 5 = 20 ( add 5 to both sides )

10y = 25 ( divide both sides by 10 )

y = 2.5