Question

DETERMINE O VALOR DE X ; A)√4 - x - ( 3 . 5 - 3) = 0 E
B)3X-X=12=0

Answer 1

√4 - x - (3.5 - 3) = 0
2 - x - (15 - 3) = 0
2 - x - 12 = 0
2 -12 = x
-10 = x
x = - 10

3x - x + 12 = 0
2x = - 12
x = - 6