Question

if 2m+7=9,then the solution of this equation is.....
a.1
b. 9
c.7
d.8​

Answer 1

ur answer is 1

2m+7=9

⇒2m=9−7

⇒2m=2

⇒m=22=1

∴m=1

Answer 2

2m+7=9

2m=9-7

2m=2

m=1....