Question

1) resolva as equações literais
a) 2a + 5x = 3a – 2x
b)3x – a = 7
c) 3ax + 4a = 6a

Answer 1

A) 2a+5x=3a-2x
    5x+2x=3a-2a
    7x=a
    x=a/7

B) 3x-a=7
     3x=7+a
     3x=7a
     x=7a/3

C) 3ax+4a=6a
     3ax=6a-4a
     3ax=2a
     x=2a/3a