Question

1) Determine a raiz de cada equação, sendo U=Q
a) 3. (x + 3) = 22
b) 100 = 2. (x-3)
c) 4. (x + 3) = 2. (x-7)
d) 4. (x + 2) = 3. (x + 1)
e) 2. (x-6) = 5. (x + 10)​

Answer 1

Explicação passo-a-passo:

a) 3. (x + 3) = 22

3x + 9=22

3x= 22 - 9

3x= 13

x= $\frac{13}{3\\}$

b) 100 = 2. (x-3)

 100 = 2x -6

100 + 6 = 2x

106=2x

x=53

c) 4. (x + 3) = 2. (x-7)

4x+12=2x-14

4x-2x=-14-12

2x=-26

x=-13

d) 4. (x + 2) = 3. (x + 1)

4x+8=3x+3

4x-3x=3-8

x=-5

e) 2. (x-6) = 5. (x + 10)​

2x-12=5x+50

2x-5x=50+12

-3x=62

x= - $\frac{62}{3}$