Question

alguem me ajuda 1, 2x+3=15 2, 7X-1=13 3, 2X-2=9 4,4X+2=18 5, 5X-2=7+6

Answer 1

1) 2X + 3 = 15
2X= 15-3
2X= 12
X= 12/2
X= 6

2) 7X - 1 = 13
7X= 13+1
7X = 14
X= 14/7
X = 2

de 3 a 5 tá na imagem