(-57)=-12+3r

Simple and best practice solution for (-57)=-12+3r 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 (-57)=-12+3r equation:


Simplifying
(-57) = -12 + 3r
-57 = -12 + 3r

Solving
-57 = -12 + 3r

Solving for variable 'r'.

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

Add '-3r' to each side of the equation.
-57 + -3r = -12 + 3r + -3r

Combine like terms: 3r + -3r = 0
-57 + -3r = -12 + 0
-57 + -3r = -12

Add '57' to each side of the equation.
-57 + 57 + -3r = -12 + 57

Combine like terms: -57 + 57 = 0
0 + -3r = -12 + 57
-3r = -12 + 57

Combine like terms: -12 + 57 = 45
-3r = 45

Divide each side by '-3'.
r = -15

Simplifying
r = -15

See similar equations:

| x^2=9(9+7) | | 4x^4-32x^3+59x^2+8x-15=0 | | -1.8u=6.3 | | 6x+2=(-10) | | 17x^2-44x-50=0 | | d+24=71 | | 3.8x-(-1-9.7x)=2.6+13.3x | | 4x+8=-37-5x | | 0=3x^3+x^2-11x-5 | | 3x+12=2x-15 | | H=-4.9t^2+30t+1.4 | | x-5x-10=9+2x-7 | | 15(3x+15)=20(20+x) | | log(x+2)=log(5x-3) | | (20b*20b)-17b=63 | | y=log(3x+1) | | a+10.4=-1.17 | | 7x+6(2x-2)=1-3x | | 2x^2+6x+9=3 | | 20b-17b=63 | | 5y+13=83 | | 13-4x=23 | | 2n^2-25=-5n | | 11(-6+6p)=-6(11-6p) | | 4a^2=-3a+1 | | 78=x^2+7x | | 78=x | | 6(7x+18)=402 | | n^2=-4n+21 | | x^2+7x=6084 | | 6=-.5(40n+28) | | 4x-4y+7=0 |

Equations solver categories