Question

Solve:
a) 5r - 7 = 2r + 8
b) t-(3-1) = t - 4
c)2a+1/3a-1 =3/2
d)x+5/2 — x-5/3 = 25/6

Please give me the correct answer with proper explanation
The first one to give me the correct response will be marked as the brainiest

Answer 1

Answer:

a) 5r - 7 = 2r + 8

5r - 2r = 8 +7

3r = 15

r =15/3

r = 5

b) t-(3-1) = t - 4

t -3-1 = t -4

t -4 = t -4

both rhs and lhs will g et cancelled answer would be 0

c) 2a+1/3a-1 =3/2

cross multiply

2( 2a +1) = 3(3a-1)

4a +2 = 9a - 3

4a- 9a = -3-2

-5a = -5

cancel - sign on both sides

5a = 5

a =5/5 = 1

d) x+5/2 — x-5/3 = 25/6

2x + 5 - 3x -5

-------- ------- = 25/6

2. 3

3(2x +5) - 2(3x-5) = 25/6*2*3

6x +15. - 6x + 10. = 25 ( 6x gets cancelled)

25 = 25