3.1=r-7

Simple and best practice solution for 3.1=r-7 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 3.1=r-7 equation: 


Simplifying
3.1 = r + -7

Reorder the terms:
3.1 = -7 + r

Solving
3.1 = -7 + r

Solving for variable 'r'.

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

Add '-1r' to each side of the equation.
3.1 + -1r = -7 + r + -1r

Combine like terms: r + -1r = 0
3.1 + -1r = -7 + 0
3.1 + -1r = -7

Add '-3.1' to each side of the equation.
3.1 + -3.1 + -1r = -7 + -3.1

Combine like terms: 3.1 + -3.1 = 0.0
0.0 + -1r = -7 + -3.1
-1r = -7 + -3.1

Combine like terms: -7 + -3.1 = -10.1
-1r = -10.1

Divide each side by '-1'.
r = 10.1

Simplifying
r = 10.1

See similar equations:

| 3(7b-3)+8=-85 | | 90=6(k+7) | | -7(8n-2)=-210 | | 280=-8(5x+5) | | -7(3+8r)=-469 | | -7n+6(5n+5)=214 | | -8(6-2a)=-96 | | 48=(.75l)(l) | | 6x-39=14x+17 | | 5(-7-8x)-3=242 | | 20=(w)(5w) | | -4(-7-6p)=-116 | | 0.9(8x+16)=1.3-(x+2) | | -4v-5(-3+4v)=135 | | 2(8n-6)=-124 | | 3.12=d-6.88 | | -39-17= | | n-2.7=8.3 | | 53=8+6z | | 12.3=b-7 | | 3(r+1.6)-8r=9.5 | | a-10=3.4 | | 14=y-15 | | -14+13= | | x^2+13x+36=0 | | -(x-4)=-2+1 | | x^2+13+36=0 | | 3x^2-9=3 | | x-10=89 | | x+y=0 | | 8X+3(5-X)=10 | | 12(x-2)-9=10X+3 |

Equations solver categories