Question

Quero ajuda para resolver estas equações:
1) 5(x + 3) - 2 (x - 1) = 20
2) 2y -10/5 =3Y-2/2
3) 6T-10=2T+14

Answer 1

5x+15-2x+2=20
5x-2x=20-15-2
3x=3
x=3÷3
x=1

2) 2y-5=3y-1
2y-3y=-1+5
-1y=4
y=4÷-1
y=-4

3) 6T-2T=14+10
4T=24
T=24÷4
T=6