Question

Resolva as equações:
A) X+6=11 D)X-5=7

B)Y -7=6 E)N sobre 3 =5

C) -2R=8 F)X²=49

G)2T+3=15

Answer 1

a) x = 11-6
x= 5

b) y = 6+7
y = 13

c) -r =8/2
r = -4 (inverter sinal)

d) x = 7+5 
x = 12

e) n = 15 (multiplicar)

f) x = 7 (raiz quadrada)

g) 2t = 15-3
2t= 12
t = 6