5.1-4.2(r+1)=20.1

Simple and best practice solution for 5.1-4.2(r+1)=20.1 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 5.1-4.2(r+1)=20.1 equation: 


Simplifying
5.1 + -4.2(r + 1) = 20.1

Reorder the terms:
5.1 + -4.2(1 + r) = 20.1
5.1 + (1 * -4.2 + r * -4.2) = 20.1
5.1 + (-4.2 + -4.2r) = 20.1

Combine like terms: 5.1 + -4.2 = 0.9
0.9 + -4.2r = 20.1

Solving
0.9 + -4.2r = 20.1

Solving for variable 'r'.

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

Add '-0.9' to each side of the equation.
0.9 + -0.9 + -4.2r = 20.1 + -0.9

Combine like terms: 0.9 + -0.9 = 0.0
0.0 + -4.2r = 20.1 + -0.9
-4.2r = 20.1 + -0.9

Combine like terms: 20.1 + -0.9 = 19.2
-4.2r = 19.2

Divide each side by '-4.2'.
r = -4.571428571

Simplifying
r = -4.571428571

See similar equations:

| y=-12+11x+-2x^2 | | 4x^2+8x=-7 | | 4/x+5/x=1/8 | | 12x^3-3x/3x | | 7(x+7)=28 | | r^2+4r-77= | | 6(y+-5)=-2(5y+-1) | | 2/a-3/a=5 | | .40h+6=12 | | -11=-5(x+9)+6x+36 | | G(x)=x^3+2x^2-34x+7 | | (x+3)/(x+4) | | -3+7=-24 | | 11b-6p-4p+3p-3p=19 | | 40h+6=12 | | 5(t-4)+5t=5(2t+4)-9 | | 7=x+50 | | 2(-2-6m)-3m=101 | | r^2+2r-77= | | 7n+6=-3(3n+10) | | Y+2=.6(x-3) | | x^2-6x+y^2+14y+42=0 | | 17b+-12b-2b=-15 | | y=-2x^2+11x-12 | | 3.8+7=-8.2d+70 | | 12k-8k+5k+k=10 | | .40r+.75=.5 | | 4(x-3)/3=5(x+4)/2 | | 34=-2(x-6) | | 5w-18=5w | | 5p+-11=9p+17 | | x^2-4x+y^2-4y-73=0 |

Equations solver categories