Question

determine a soluçao destas equaçoes incognita y.a)3y+8=2.b)10y-7=-1 c)5y-41=-6.d)2y+43=5

Answer 1

a) 3y+8=2
3y=2-8
3y=-6
y=-6/2
y=-3

B)10y-7=-1
10y=-1+7
10y=6
y=6/10 simplificando
y=3/5

c)5y-41=-6
5y=-6+41
5y=35
y=35/5
y=7

e)2y+43=5
2y=5-43
2y=-38
y=-38/2
y=-19