Question

(f) 3(x + 4) = 21

(g) 2x/3 - 3x/5 = 8

(h) 3x - 9 = 5x - 3

(i) 3(x-3) = 4(2x + 1)

please solution​

Answer 1

(f) 3(x+4)=21

=>3x+12=21

=>3x=21-12

=>3x=9

=>x=9/3

=>x=3

(g) 2x/3-3x/5=8

=>10x-9x/15=8

=>x/15=8

=>x=15(8)

=>x=120

(h )3x-9=5x-3

=>5x-3=3x-9

=>5x-3x=-9+3

=>2x=-6

=>x=-6/2

=>x=-3

(I) 3(x-3)=4(2x+1)

=>3x-9=8x+4

=>8x+4=3x-9

=>8x-3x=-9-4

=>5x=-13

=>x=-13/5 (Please mark it as brainliest brother and I will definitely follow you back.)