-3r+8(5-6r)=142

Simple and best practice solution for -3r+8(5-6r)=142 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 -3r+8(5-6r)=142 equation: 


Simplifying
-3r + 8(5 + -6r) = 142
-3r + (5 * 8 + -6r * 8) = 142
-3r + (40 + -48r) = 142

Reorder the terms:
40 + -3r + -48r = 142

Combine like terms: -3r + -48r = -51r
40 + -51r = 142

Solving
40 + -51r = 142

Solving for variable 'r'.

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

Add '-40' to each side of the equation.
40 + -40 + -51r = 142 + -40

Combine like terms: 40 + -40 = 0
0 + -51r = 142 + -40
-51r = 142 + -40

Combine like terms: 142 + -40 = 102
-51r = 102

Divide each side by '-51'.
r = -2

Simplifying
r = -2

See similar equations:

| 14x^2+96x-14=0 | | 3600=(n-2)180 | | 2(w)+2(1)= | | y-5=m(x+2) | | A=9WL | | 0.5(1.8-x)=-2x | | 5(8m+3)-6m=38 | | P=8m-30 | | 6x^2-4x-210=0 | | P=2(6a^2b^4)+2(3ab^2) | | x^2+12x-175=0 | | 2(7x+3y)+4-3x+2y-1= | | 8x+40=10x+4 | | b=5mx+8b | | 7/2g=5/8 | | 8x-40=10x+4 | | .57t+3.1=3.67 | | x-7y=68 | | Y-7/3=y-2/4 | | 2+7x+4y+3x+y+1= | | 2=0+a*1.5 | | 8(x-5)=14(x-17) | | X^2+40+x+38=90 | | y=8b+5mx | | 1845x^2+21x-30=0 | | 3(u-3)-7u=3 | | 2(-2x+6)-x+3=0 | | X/11.8=7.14 | | X+.45x=580 | | 6x+5+1=5 | | 5b+24=[8-3n] | | 1/4=8/1a |

Equations solver categories