Question

a =2.5. b =2.9 c = 3.5 ( a+b) -(a-b) + (a+b+c)- b+c​

Answer 1

Answer:

given=>

a =2.5

b =2.9

c = 3.5--------(1

to find=>

( a+b) -(a-b) + (a+b+c)- b+c------ (2

solution =>

eq 1 value put in eq 2

$= (2.5 + 2.9) - (2.5 - 2.9) + (2.5 + 2.9 + 3.5) - 2.9 + 3.5 \\ \\ = 5.4 - ( - 0.4) + 8.9 + 0.6 \\ \\ = 15.3ans$

answer=

$= 15.3$

I hope it helps you