x+2x+3x-355+211=1234
Find x
6x=1234+355-211
6x=1378
X=1378/6=229.6
Now can’t you simplify these?
(i) 2x + (3x + 1)
(ii) x + (2x + 3)
(iii) (x + 2) + (2x + 1)
(iv) (x + 1) + (x + y)
(v) (3x + 2y) + (x + y)
(vi) (3x + 2y) + (2x + 3y)