Question

Resolva as equações :
a)3x+4=-10
b)10x-4=32
c)9x-4=32
d)10(x-1)=2
e)6(y+4)=-1
f)5(5y+2)=5
g)8(2+5x)=3

Answer 1

a) 3x= -10-4
3x= -14
x= -14/3
x= - 4,6

b) 10x = 32+4
10x = 36
x= 3,6

c) 9x= 32+4
9x= 36
x= 4

d) 10x-10= 2
10x = 2+10
10x= 12
x= 1,2

e) 6y+24= -1
6y= -1-24
6y= -25
y= -25/6
y= -4,16

f) 25y+10=5
25y= 5-10
25y= -5
y= - 25/5
y= -5

g) 16+ 40x= 3
40x= 3-16
40x= -13
x= -13/40
x= 0,325

Answer 2

Olá, bom dia!

(a) 3x + 4 = -10
3x = -10 - 4
3x = -14
x = -14/3
x = -4 ⅔

(b) 10x - 4 = 32
10x = 32 + 4
10x = 36
x = 36/10
x = 3,6

(c) 9x - 4 = 32
9x = 32 + 4
9x = 36
x = 36/9
x = 4

(d) 10(x - 1) = 2
10x - 10 = 2
10x = 2 + 10
10x = 12
x = 12/10
x = 1,2

(e) 6(y + 4) = -1
6y + 24 = -1
6y = -1 - 24
6y = -25
y = -25/6
y = -4 1/6

(f) 5(5y + 2) = 5
25y + 10 = 5
25y = 5 - 10
25y = -5
y = -5/25
y = -1/5

(g) 8(2 + 5x) = 3
16 + 40x = 3
40x = 3 - 16
40x = -13
x = -13/40






Espero ter ajudado.
Bons estudos!