X=5Y= 92x + 11= ?2(5)+11=?10+11= 21
A + 9 = 21 A = 21 - 9 A = 12
5
depends what 'a' =
3+4m+5m=214m+5m=21-39m=18m=18/9m=2
X=5Y= 92x + 11= ?2(5)+11=?10+11= 21
A + 9 = 21 A = 21 - 9 A = 12
5
depends what 'a' =
3+4m+5m=214m+5m=21-39m=18m=18/9m=2
2
If: 5x+1 = 21 Then: 5x = 21-1 => 5x = 20 Divide both sides by 5 and so x = 4
5x+3+x=24 6x+3=24 6x=21 x=3.5
The mathematical statement 31 plus 21 equals 52 as a total.
You can't. 17 + 2n = 21 + 2n gives: 2n = 4 + 2n which gives 0=4 which is not possible so the sum is not solveable.
21+21+19+19=80
22+2x = 37+6+x 2x-x = 37+6-22 x = 21