4r-7=-4r-r-9

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


Simplifying
4r + -7 = -4r + -1r + -9

Reorder the terms:
-7 + 4r = -4r + -1r + -9

Reorder the terms:
-7 + 4r = -9 + -4r + -1r

Combine like terms: -4r + -1r = -5r
-7 + 4r = -9 + -5r

Solving
-7 + 4r = -9 + -5r

Solving for variable 'r'.

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

Add '5r' to each side of the equation.
-7 + 4r + 5r = -9 + -5r + 5r

Combine like terms: 4r + 5r = 9r
-7 + 9r = -9 + -5r + 5r

Combine like terms: -5r + 5r = 0
-7 + 9r = -9 + 0
-7 + 9r = -9

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

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

Combine like terms: -9 + 7 = -2
9r = -2

Divide each side by '9'.
r = -0.2222222222

Simplifying
r = -0.2222222222

See similar equations:

| 4x^2+11x-22=0 | | 8z^2-40=90 | | 4.2xy=88.2 | | 3d-d+4=25 | | (a+3)(a+4)=-10(a-5) | | 4x-2(x-4)=-9+5x+2 | | 10y-5y-15=58.75 | | 4+35x=21x+16 | | 3a*7b= | | z^2+iz-2z-2i=0 | | 3*(x^2-4x)=63 | | 5y+15=20 | | 15.71x-10.75x-1200000=12000000 | | 2senx-2sen^2x=0 | | 15.71x-10.75x-1200000=120 | | 6m+4=52whatism | | 38.1-0.2x=5.4(4.8+0.5x) | | 4y^2+12y+10=0 | | 6r^2+21r-21= | | 7y+4=27y | | 6x+(-4.4)=4 | | E=(5a-2)(5a+2)-4a(-a+5) | | 6(-1.666666667+-0.3333333333y)+2y=10 | | x(x^2-1)-x^3+x^2=0 | | -5y+8=7 | | (a+b)(c+d)=0 | | 2y+2y-2y+2y-3y=9 | | 4(12x+6)=48x-9 | | k^2-19k-100=0 | | k*2-19k-100=0 | | l^2*(x-1)=2*(l*x-2) | | x+1.5=3.75 |

Equations solver categories