7
7y+5=-9... 7y must equal -14 therefore y must be -2
A + 9 = 21 A = 21 - 9 A = 12
2*2+4x-9=0 4x=9-4 4x=5 x=5/4
-5n+9=-46 -5n+9-9=-46-9 -5n=-55 -5n/-5=-55/-5 n=11
The equation does not have a solution.
7
The answer to the equation 9 plus 5 times 0 equals 45. This was taught in 5 grade math.
a=5: c=4
4 + 4 +1
7y+5=-9... 7y must equal -14 therefore y must be -2
3
10
A + 9 = 21 A = 21 - 9 A = 12
2*2+4x-9=0 4x=9-4 4x=5 x=5/4
-5n+9=-46 -5n+9-9=-46-9 -5n=-55 -5n/-5=-55/-5 n=11
k equals 5.6