-3+2r=-30-7r

Simple and best practice solution for -3+2r=-30-7r 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 -3+2r=-30-7r equation:


Simplifying
-3 + 2r = -30 + -7r

Solving
-3 + 2r = -30 + -7r

Solving for variable 'r'.

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

Add '7r' to each side of the equation.
-3 + 2r + 7r = -30 + -7r + 7r

Combine like terms: 2r + 7r = 9r
-3 + 9r = -30 + -7r + 7r

Combine like terms: -7r + 7r = 0
-3 + 9r = -30 + 0
-3 + 9r = -30

Add '3' to each side of the equation.
-3 + 3 + 9r = -30 + 3

Combine like terms: -3 + 3 = 0
0 + 9r = -30 + 3
9r = -30 + 3

Combine like terms: -30 + 3 = -27
9r = -27

Divide each side by '9'.
r = -3

Simplifying
r = -3

See similar equations:

| -3+2r=-30-7t | | 12xy-3x= | | .06+4.95+10-7.85= | | 0.6m-0.2=3.7 | | logy=1.79957 | | 12-7x=29-28 | | 28x^2-35x=0 | | 3x+8=40-x | | 12x-30=107 | | X2/10+9x/10+11/5 | | 75+0.01x=400 | | (2x)/(x^2-3)=0 | | (2x)/x^2-3=0 | | x/(-11)-(-6)=3 | | 3/4x+2=-7 | | x/(-11)=-3-(-6) | | -4x-3.1=9x-7.3 | | x^4+3xy^5+y^2=0 | | -0.13-0.97q=0.2192 | | 4x-1.9=3x-1.3 | | -8y-42=-6(y+4) | | 16x^2-320x+816=0 | | y/4+y/2=4/5 | | 16x^2-320x-816=0 | | -16*x^2+320*x-816=0 | | 5/2y=-10 | | -16v+8/-4 | | -7w-21/7 | | -3(w+4)+3=8(w+8) | | 6(y-5)-8y=-16 | | 12x-3=17x-5 | | 6(x+7)-8x=32 |

Equations solver categories