3(1-5r)=-87

Simple and best practice solution for 3(1-5r)=-87 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(1-5r)=-87 equation: 


Simplifying
3(1 + -5r) = -87
(1 * 3 + -5r * 3) = -87
(3 + -15r) = -87

Solving
3 + -15r = -87

Solving for variable 'r'.

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

Add '-3' to each side of the equation.
3 + -3 + -15r = -87 + -3

Combine like terms: 3 + -3 = 0
0 + -15r = -87 + -3
-15r = -87 + -3

Combine like terms: -87 + -3 = -90
-15r = -90

Divide each side by '-15'.
r = 6

Simplifying
r = 6

See similar equations:

| 10-19x-7-2x=6 | | 12=v/3-12 | | 7(m+4)=21 | | 7-7a=-6x+-42+a | | 6.4(x-3.75)=-25.6 | | 8x=3y-1 | | 9x-21=12x-2 | | 3/17=y/10 | | −3/4y=−6−34y=−6. | | A+10=69 | | 3w+8=38 | | (49x^2)-(14x)+1=0 | | (X^5•z^1/5)^-2/3 | | 16=3x+2(x+5) | | (15-x)/3=2 | | 105/2.5=x | | -225-(-219)= | | 5r+7r=8r+12 | | 2.5/105=x | | 6x+3(x-2)=4x+14 | | 79/65=x/100 | | 5/22=x/77 | | 2(x+3)+38=4(x-2) | | 22/5=77/x | | 2z-16z+9z= | | 1/3-3x | | z/(-7)=3 | | 14n+3=13 | | 6/294=8/x | | 3/2(-6) | | 2.3g=17.13 | | 40-8y=5 |

Equations solver categories