Question

1 – Encontre x. (Isole x)
a) x + 1 = 2
b) x + 10 = 15
c) x + a = 1
d) x + 6m = 1
e) x – 2 = 4
f) x – 5 = 7
g) x – 3b = 7
h) x – b + a = c

Answer 1

Resposta:

a)1+1=2

b)5+10=15

c)1+0=1

d)

Answer 2

Resposta:

$a)x = 2 - 1 \\ x = 1 \\ \\ b)x = 15 - 10 \\ \times = 5 \\ \\ c)a = 1 - x \\ x = 1 - 9 \\ \\ d)6m = 1 - x \\ \frac{6m}{6} = \frac{1 - x}{6} \\ m = \frac{1 - x}{6} \\ x = 1 - 6m \\ x - 2 = 4 \\ x = 4 + 2 \\ x = 6 \\ \\ e)x = 7 + 5 \\ \times = 12 \\ - 3b = 7 - x \\ \frac{ - 3b}{ - 3} = \frac{7 - x}{ - 3} \\ \frac{b = x - 7}{3}b = \frac{7 - x}{ - 3} \\ x = 7 + 3b \\ \\ f) - b + a = c - x \\ a = c - x + b \\ a = c + b - x \\ - b + a = c - x \\ - b = c - x - a \\ \frac{ - b}{ - 1 } = \frac{ - x + c - a}{ - 1} \\ b = \frac{ - x + c - a}{ - 1} \\ b = x + a - c$

Explicação passo-a-passo:

tá ai