Question

cuanto vale "u": 15+3u-20=35-2u ayuda

Answer 1

15+3U-20=35-2U

3U+2U=35-15

5U=20

U=4

Answer 2

15+3u-20=35-2u

3u-5=35-2u

3u+2u=35+5

5u=40

u= 40/5

u=8