Question

Tìm x, biet 

a)x+13=32-76

b)(-15)+x=(-14)-(-57)

Answer 1

a) x+13 = 32 -76

x+13 = -44

x = -44 -13

x = -57

=> x = -57

b) (-15)+x = (-14)-(-57)

(-15) +x = 43

x = 43 -(-15)

x =58

=> x = 58

tic nhé 

Answer 2

a) x+13=32-76

x+13=-44

x=(-44)-13

x=-57

b)(-15)+x=(-14)-(-57)

(-15)+x=43

x=43-(-15)

x=58