3(r-4)=-57

Simple and best practice solution for 3(r-4)=-57 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(r-4)=-57 equation:


Simplifying
3(r + -4) = -57

Reorder the terms:
3(-4 + r) = -57
(-4 * 3 + r * 3) = -57
(-12 + 3r) = -57

Solving
-12 + 3r = -57

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 + 3r = -57 + 12

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

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

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

Simplifying
r = -15

See similar equations:

| (x+2)(x)(5)-120=0 | | 8k+7=3k-8 | | 9b=26-4b | | 3x+2+55=13x-3 | | 3x+2+55=1 | | -9.7x=29.1 | | 12+5y-4y=15 | | 89+5x-7=14x+1 | | x+12=2x | | -11*x+5= | | -x+6=x-6 | | 3p=-24 | | 99.66=6.8x | | 15p=390 | | 3x+5+6x=-13 | | 5t=150 | | -7x=-2x+5x+25 | | -5x-6+11-2x=30 | | x^4-30x^2+125=0 | | 2c^2-9c=0 | | -5x+6=41 | | 4(x-4)-3x=10 | | 7x^3-27x^2-4x=0 | | 3b+5-7b=-3 | | w^2-25=0 | | 4.9q-1.3-4.7q=-0.8q-1.3 | | 5w=30 | | 5x+2=3x+47 | | 12r=48 | | 24+y=9y | | 8w-6-3w=14 | | 16(7b+6)= |

Equations solver categories