4(9+r)=8

Simple and best practice solution for 4(9+r)=8 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 4(9+r)=8 equation: 


Simplifying
4(9 + r) = 8
(9 * 4 + r * 4) = 8
(36 + 4r) = 8

Solving
36 + 4r = 8

Solving for variable 'r'.

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

Add '-36' to each side of the equation.
36 + -36 + 4r = 8 + -36

Combine like terms: 36 + -36 = 0
0 + 4r = 8 + -36
4r = 8 + -36

Combine like terms: 8 + -36 = -28
4r = -28

Divide each side by '4'.
r = -7

Simplifying
r = -7

See similar equations:

| X-9=5+3 | | 7k-(4-3K)=9 | | 32=-8(z-10) | | 9(x+15)= | | 40+15m=325 | | 2y=3y-100 | | -24x=x | | 3x+13=-x-19 | | -15-1=x+6 | | 34n-112=160 | | .2x+1y=.3 | | 3w-28=w | | -4=-2+a | | X+X+20=3X-40 | | 2.4X+.5X=44 | | 8d-10=-6d-3 | | p+90=p+42 | | 4x+x-4=4x+2 | | 76x=36x+200 | | -2y-5y=7 | | W=3w-28 | | -8v-5v=-39 | | 2.8=-log(x) | | 16r-16=12r+36 | | -3r+6r=3 | | 7y+5=8x-4 | | 0=4x^2-20x+k | | 13x+12xy+13y= | | 3b+5b=16 | | u=3u-88 | | 9(x-15)= | | 5(w+8)+8w=1 |

Equations solver categories