Answer:
x=75
Step-by-step explanation:
∆FSJ~∆DYJ
so the sides are proportional
SJ/YJ=FJ/DJ
(63+42)/42=(x+50)/50
105/42 ×50=x+50
125-50=x
x=75
I hope this helps you
Perimeter=2 (length +width )
146=2 (2x+3x+3)
73=5x+3
5x=70
x=14
2.14=28
3.14+3=55
Ummm okay so lets say i have 12 apples and i give 5 of them to tony and promise that i will give him 9 more tomorrow then tomorrow i will have -2 apples 12-5=7 7-9=-2
i hope i helped in some type of way :)