Question

d)9×-13=2×+8

g)2(×-3)-7=39

h)3(×-3)=21

i)2×+3[×-5]=4×+9

GENTE ME AJUDADA PFVR POR QUE É PRA HOJE ​

Answer 1

d)9×-13=2×+8

9x - 2x = 8 + 13

7x = 21

x = 21/7

x = 3

g)2(×-3)-7=39

2x - 6 - 7 = 39

2x - 13 = 39

2x = 39+13

x = 52/2

x = 26

h)3(×-3)=21

3x - 9 = 21

3x = 21+9

x = 30/3

x = 10

i)2×+3[×-5]=4×+9

2x + 3x - 15 = 4x + 9

5x - 4x = 9 + 15

x = 24

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