Question

Help me solve this problem please

2.1x-1.34=0.42-6.7x

Answer 1

x=.2

Answer 2

and how did you get the answer?

Answer 3

2.1x - 1.34 = 0.42 - 6.7x
subtract -6.7x from both sides: 2.1x - 1.34 - (-6.7x) = 0.42 - 6.7x - (-6.7x) => 8.8x - 1.34 = 0.42
subtract -1.34 from both sides: 8.8x - 1.34 - (-1.34) = 0.42 - (-1.34) => 8.8x = 1.76
divide both sides by 8.8: 8.8x/8.8 = 1.76/8.8 => **x = 0.2**