Question

how to solve this ?​

Answer 1

Step-by-step explanation:

$\\ (75 - x) + x + (40 - x) = 100 \\ 75 - x + x + 40 - x = 100 \\ x = 75 + 40 - 100 \\ x = 15$

Answer 2

Answer:

x = 15

Step-by-step explanation:

to solve such Q we need to open bracket & bring all like terms to one side & then get the given operation done ,

75 -x + x +40 - x = 100

115 - 2x + x = 100

115-100=2x-x

15=x