-0,4337x + 48,744 = 2,0975x - 20,596
-f+2+4f=8-3f
$\frac{x}{5}$ = -3
(100+10)(6283)/(100+1.1)
d - 6 = -4
f(x) =ln(2x -4)
3b-2 = 5-19
simplify
4x^2+12x-4x^2-12x+9
7b + 3b + 6b
4y - 11y
2b - 4b - 6b
5m - 3m +2m +8m
-7u - 2u +3u
-8u +6u +u
14x - 2y +x
10!/9!(10-9)!