2r-9-3r=4

Simple and best practice solution for 2r-9-3r=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 2r-9-3r=4 equation:


Simplifying
2r + -9 + -3r = 4

Reorder the terms:
-9 + 2r + -3r = 4

Combine like terms: 2r + -3r = -1r
-9 + -1r = 4

Solving
-9 + -1r = 4

Solving for variable 'r'.

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

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 = 13
-1r = 13

Divide each side by '-1'.
r = -13

Simplifying
r = -13

See similar equations:

| x^3+8x^2+11x+20=0 | | x=7.25x | | 29=7x-1 | | .25(3x+9)=4(1-4x)+15 | | -8(n+5)=-38-8n | | -5+h=22 | | 6x+10=30-4x | | 0.5n+0.7=12 | | 1x+4+3x=72 | | 14y-8=90 | | 11x+x=156 | | 100=-12x+5-44 | | 5x+25x-2=6(5x+9) | | (6)(k+3)=48 | | 18z^2+37z+16=0 | | -2(3x-5)=-44 | | G^3+3g^2-g-3=p | | -75p-200=25 | | 5+9f+4f= | | -3m=-5-18 | | 3.95+h=7.70 | | 3x-8n+8=80 | | 18t+4(t+6)=134 | | A=P+Pet | | 3x-8x+8=80 | | 9p+4(2+p)=-15 | | 28x-7=0 | | 1-4x=-31 | | 15y=9 | | 4x-38=10-2x | | x+x+5+2(x+5)=39 | | 25q+0.1(q+3)=1.70 |

Equations solver categories