27 is the answer I believe
Answer:
2n +10= 140
4n- 40= 80
2n= 3n - 20
Step-by-step explanation:
it is the am progression or sum progression
Answer is D. Add the equations in order to solve for the first variable. Plug this value into the other equations in order to solve for th remaining varables
Answer:
the perimeter of rectangle is 52cm if two adjacent sides are (2×+3)cm and (×+5)cm
