3=7r-8r

Simple and best practice solution for 3=7r-8r 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=7r-8r equation: 



3=7r-8r

We move all terms to the left:

3-(7r-8r)=0

We add all the numbers together, and all the variables

-(-1r)+3=0

We get rid of parentheses

1r+3=0

We add all the numbers together, and all the variables

r+3=0

We move all terms containing r to the left, all other terms to the right

r=-3

See similar equations:

| 3x=-×+-12 | | 10x-77=7x | | -20x=-6 | | 7x+36=10x+24 | | 2x²+5/3x+6=0 | | 1+2x-3=6 | | (5x-2)-4x=16 | | 96-4b+3b=16 | | -14=b-2-7b | | -7x-34=-4x+29 | | p^2-4p+4=p | | -12=-1+x-5 | | 50-7x=2x-13 | | (-12)+(-4x)+2=4x+12 | | 19.3=50/v | | 1.23=−b | | 25+x=113 | | -9=-8+2a+7 | | F(-2)=3x-12 | | 18-3x=42 | | (2x-27)+(x+2)=180 | | 7m+7-8=-22 | | 8x+12-7=5(4x+7) | | 3/2x+8=1 | | 1.2=−3b | | 2x+5=7-2 | | 9b÷5=23 | | 12=3n-7n | | 32/10=2^2x | | −12x=−24x2 | | X+3.3=2x-2.1 | | 8=-2x-16 |

Equations solver categories