ax+by=4 bx+ay=6 a+b=2 x+y=?
–
6(
17+61c)=
7(54c+42)
1483448
27901442
24970426
4720522
5404430
06392
11294602
10398970
98474939107798313
8952267.1818107798313
9319590.548588...
75t=7(4t+8)+33t
7(
2v–8)=2(2v–19)
36a–30a+30a=
36
6 = 2(d − 6) − 6
There are 7 bags of sweats which weigh 140g each and 6 boxes of chocolates. if they weigh 1490 altogether, how many grams does eac...
5d–20=7d
2+c+11=
c–19
