-(7-4r)=9

Simple and best practice solution for -(7-4r)=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 -(7-4r)=9 equation: 


Simplifying
-1(7 + -4r) = 9
(7 * -1 + -4r * -1) = 9
(-7 + 4r) = 9

Solving
-7 + 4r = 9

Solving for variable 'r'.

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

Add '7' to each side of the equation.
-7 + 7 + 4r = 9 + 7

Combine like terms: -7 + 7 = 0
0 + 4r = 9 + 7
4r = 9 + 7

Combine like terms: 9 + 7 = 16
4r = 16

Divide each side by '4'.
r = 4

Simplifying
r = 4

See similar equations:

| 3x+2-6(x+1)=4x+2 | | 8x^2-7x-20=0 | | -4(6w-1)=-2(2w+7) | | x-(-7x)=4+x | | 3-17x-14=9-15x-20 | | x^2+10x-y+28=0 | | 8x+-4-9x+17=180 | | -3x-5(-3x-9)=51 | | 7a+8b=24forb | | 10(1.666666667+0.3333333333y)-y=-2 | | 8x-4+9x+17=180 | | 3x-10+2x=10+X | | -570=5(8x-18) | | -3.5f=-21 | | Y=2Y+20 | | 9y+5x=14 | | 5-2(x+4)=7 | | 6x-(3x-5)=29 | | 3x-15-5x-23=90 | | 2(-1+0.5y)-y=-2 | | 4(x-6)=-3(x+2) | | Y=-3(5)+2 | | 3.4z-3.12=7.896 | | 2(6x+1)=4(5-x)-2 | | 26x-4+19x+4=180 | | y^2+7y+49=0 | | f(x)=(4x^2-25)(x^2+17x+72) | | -2w+19=-34 | | 7a+2x-13a+5ax-x= | | 30x=29x+4 | | 0.96y-.79=0.21y+0.45 | | y=180x-100000 |

Equations solver categories