Question

x + 3 = 4 - 5
9 x ² - 7 = 103
por favor ayudenme porfavor es urgente

Answer 1

X + 3 = 4 - 5
X + 3 = -1
X = -1 - 3
X = -4

9 x² - 7 = 103
9 x² = 103 + 7 = 110
x² = 110 % 9 = 12,22
x = √12,22
x = 3,49