-3r-4(r+3)=1

Simple and best practice solution for -3r-4(r+3)=1 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 -3r-4(r+3)=1 equation:


Simplifying
-3r + -4(r + 3) = 1

Reorder the terms:
-3r + -4(3 + r) = 1
-3r + (3 * -4 + r * -4) = 1
-3r + (-12 + -4r) = 1

Reorder the terms:
-12 + -3r + -4r = 1

Combine like terms: -3r + -4r = -7r
-12 + -7r = 1

Solving
-12 + -7r = 1

Solving for variable 'r'.

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

Add '12' to each side of the equation.
-12 + 12 + -7r = 1 + 12

Combine like terms: -12 + 12 = 0
0 + -7r = 1 + 12
-7r = 1 + 12

Combine like terms: 1 + 12 = 13
-7r = 13

Divide each side by '-7'.
r = -1.857142857

Simplifying
r = -1.857142857

See similar equations:

| -4r-3(r+3)=10 | | 3a-7=2a | | 2x-8+1=9-10x | | 2x-4=5-x | | b+8=5b | | x+x=2(x-3) | | 12x-26=5x+23 | | 3x-y=30 | | 6x^2-7=0 | | 4x^2+x-45=0 | | Z-6z=4z-1-z | | a^2+7a+15=5 | | 33-3w=8+2w | | x(5x+6)=8 | | y=110+.6y | | Z-5z=9z-5-z | | 1.3(-X+4)=5 | | 15+25=-5(6x-8) | | 6n^2-18n-24=0 | | 3s^2=10s+8 | | 20x-2=25x+1 | | 4(3x+9)=-26+2 | | 0.6x-1.5=2.8 | | 3a^2=22a+16 | | 9z-z=-3+2z-1-8 | | 3(k+1)-5k=0 | | -x=-42 | | 0.6-1.5=1.8 | | 0.6-1.5=2.8 | | v-14.2=14.2 | | x-13.1=16.8 | | (3(7x+20)-4)2=(6x-3)2 |

Equations solver categories