20 x e - 2500 : 100 = 6175
20xe - 25 = 6175
20xe = 6175 +25
20 x e = 6200
e = 6200:20
e = 310
35 x f + ( 800 - 188) :2 = 551
35 x f +612 :2 = 551
35xf +306 = 551
35 x f = 551 - 306
35 x f = 245
f =245:35
f= 7
g:2 +( 100 - 32 ) x 2 = 886
g:2 +68 x2 =286
g:2 + 136 = 286
g:2 = 286 - 136
g:2 = 150
g=150:2
g=75
244 - hx5 + ( 300 - 96) :4 = 255
244 -hx5 + 204 :4 =255
244 - hx5 +51 = 255
244 -hx5 = 255-51
244- hx5 = 204
hx5 = 244-204
hx5 = 40
h=40:5
h=8
