Question

1- RESOLVA CADA EQUAÇÃO A SEGUIR, CONSIDERANDO U = Q
a)×+5=11

b) ×-7=12

c)×+3=6

d)6+×=9

e)2×+6=10

f)4+3×=-11

g)5×+1=11

h)8.×=24

i)3×+1-×=5

j)2×+3+3×=12

l) 3×+6=2×+10

m)4×+1=6+2×

n)4+2×-3+3×=3×+8

o)6×+4-×=2×+8

{me ajude aii por favor}​

Answer 1

Resposta:

a)×+5=11

x=11-5

x=6

b) ×-7=12

x=12+7

x=19

c)×+3=6

x=6-3

x=3

d)6+×=9

x=9-6

x=3

e)2×+6=10

2x=10-6

2x=4

x=$\frac{4}{2}$

x=2

f)4+3×=-11

3x=-11-4

3x=-15

x=$\frac{-15}{3}$

x=-5

g)5×+1=11

5x=11-1

5x=10

x=$\frac{10}{5}$

x=2

h)8.×=24

x=$\frac{24}{8}$

x=3

i)3×+1-×=5

2x=5-1

2x=4

x=$\frac{4}{2}$

x=2

j)2×+3+3×=12

5x=12-3

5x=9

x=$\frac{9}{5}$

x=1,8

l) 3×+6=2×+10

3x-2x=10-6

x=4

m)4×+1=6+2×

4x-2x=6-1

2x=5

x=$\frac{5}{2}$

x=2,5

n)4+2×-3+3×=3×+8

5x+1=3x+8

5x-3x=8-1

2x=7

x=$\frac{7}{2}$

x=3,5

o)6×+4-×=2×+8

5x-2x=8-4

3x=4

x=$\frac{4}{3}$

x≅1,33