Question

x + 3 = 7
5=2+x
x-2=4
-5 + x =1

Answer 1

x + 3 = 7
x = 7-3
x= 4

5 = 2 + x
5 - 2 = x
3 = x


x - 2 = 4
x = 4 + 2
x = 6


-5 + x =1
x = 5 + 1
x = 6


BONS ESTUDOS!