9=r-(-4)

Simple and best practice solution for 9=r-(-4) 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 9=r-(-4) equation:


Simplifying
9 = r + -1(-4)

Multiply -1 * -4
9 = r + 4

Reorder the terms:
9 = 4 + r

Solving
9 = 4 + r

Solving for variable 'r'.

Move all terms containing r to the left, all other terms to the right.

Add '-1r' to each side of the equation.
9 + -1r = 4 + r + -1r

Combine like terms: r + -1r = 0
9 + -1r = 4 + 0
9 + -1r = 4

Add '-9' to each side of the equation.
9 + -9 + -1r = 4 + -9

Combine like terms: 9 + -9 = 0
0 + -1r = 4 + -9
-1r = 4 + -9

Combine like terms: 4 + -9 = -5
-1r = -5

Divide each side by '-1'.
r = 5

Simplifying
r = 5

See similar equations:

| 6x-ax=2x+5 | | 2(7x+5)= | | 3/x=7 | | 6x-ax=x+9 | | 3x-2.3+x-3.5= | | 7x+4y=-2 | | 3(z-3)+6z-3= | | 2/5x-x/3=4 | | -20+p+18q+14-12p= | | -12(y-z)= | | 6x-3=5x+10 | | 7(x+6)-8=37-3x-3+10x | | p+(-12)=-7 | | 3.4m-6-3.4m-5= | | -18+w-2z-4-6w= | | 5y(y+2)=74-3y | | -6+6(x-1)=14x+6-8x | | -10-8x+15-20x= | | 3/5x+3=2x-11 | | 2/5x-1/2=6 | | 16kh+3k-8kh= | | x/4=9/6 | | 17s+13s+s= | | h=-16t^2+16t+896 | | 5(a-6)+6=2(a-6) | | 4(11b+4)(b-5)= | | 6x-2=4x+30 | | -(7y+3z-2)= | | -12h+5h+h= | | -2(x+6)-(-3x-2)=3 | | (7x^2+6)(2x^2-4)= | | 10(x/5-4)=34+4x |

Equations solver categories