Question

tìm số nguyên x, biết

a)(-35) . x =210

b)(-7) . x = 42

c)180 : x =-12

d) x + 5 = 3

Answer 1

\(a,x=\dfrac{210}{-35}=-6\\ b,x=\dfrac{42}{-7}=-6\\ c,x=\dfrac{180}{-12}=-15\\ d,x=3-5=-2\)