Question

observe o triangulo ZEH abaixo ,no qual ZE=ZH

Answer 1

5x-10 = 3x+2
5x-3x= 2+10
2x= 12
x = 12/2
x =6

4y+4-(3y-2) diminui a base toda menos a metade

4y-3y+4+2
y+6

3y-2=y+6 (igualei )
3y-y=6+2
2y=8
y= 8/2
y= 4

Answer 2

3x+2= 5x-10
12=2x
x=6

4y+4=2(3y-2)
4y+4=6y-4
8=2y
y=4