30-(-9)=

Simple and best practice solution for 30-(-9)= equation. Check how easy it is, and learn it for the future. Our solution is simple, and easy to understand, so don`t hesitate to use it as a solution of your homework.

If it's not what You are looking for type in the equation solver your own equation and let us solve it.

Solution for 30-(-9)= equation: 


Simplifying
30 + -1(-9) = 0

Multiply -1 * -9
30 + 9 = 0

Combine like terms: 30 + 9 = 39
39 = 0

Solving
39 = 0

Couldn't find a variable to solve for.

This equation is invalid, the left and right sides are not equal, therefore there is no solution.

See similar equations:

| 1/3y-6=-12 | | 8x+1=4x+35 | | U=-exp(-rx) | | 4s+3.83= | | 2/200+10=35 | | 11(a-4)=-5-6 | | x^2+16/x^2=0 | | -1=-x+7 | | 3f-1=23-3f | | 5(3x-7)+9(2x+2)= | | 3/5-3(6.7) | | -6(3m+4)=27-m | | 9-4r-7=0 | | 12(4)-14/2-2/3(12)/2/10(4)/2-3(4) | | 8x-3(2x+4)=8 | | 3x+7=-6x+32 | | -8+-8n=7 | | 3x/3+6x/x=6x/3 | | 93=1.8c+32 | | -8-2(8n+4)=29-n | | 6.4a+13=89.8 | | 3(5x-5)+6(8x+8)= | | -16t+64+80=0 | | 9+5x=6x+4 | | 6x=1/7 | | 3(2p-1)+5=14 | | 6(x-2)=(x-11)-21 | | 3(2p-1)+5=15 | | 514.76=230+1.13x | | 30,000/200 | | 514.76=230 | | 10+5q=15+4q |

Equations solver categories