4+2.5r=21.5

Simple and best practice solution for 4+2.5r=21.5 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 4+2.5r=21.5 equation: 


Simplifying
4 + 2.5r = 21.5

Solving
4 + 2.5r = 21.5

Solving for variable 'r'.

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

Add '-4' to each side of the equation.
4 + -4 + 2.5r = 21.5 + -4

Combine like terms: 4 + -4 = 0
0 + 2.5r = 21.5 + -4
2.5r = 21.5 + -4

Combine like terms: 21.5 + -4 = 17.5
2.5r = 17.5

Divide each side by '2.5'.
r = 7

Simplifying
r = 7

See similar equations:

| 13/8-x | | -2r+8=-2-3r | | 144=8(8x+1)+4x | | [x-9]=1 | | x-7=33/2 | | y/3-1/4=5 | | 8(2x+3)+2(x-5)=68 | | -v+10=-6v-10 | | 12m^2-31m+7=0 | | 36+l=56 | | -93=-3(-5n-4) | | 4.7x=-9.4 | | 4z/7-7=0 | | ((x^(2/3))-(.25(x^(-2/3)))^2 | | 3.4/10 | | 26+22=k | | x^4+3y^4-4xy^3=0 | | 4x^2+44x+108=0 | | 15+j=24 | | tgx=-3^(1/2) | | 10x-24=3x+4 | | 7z-1=3 | | 4-3y=-8 | | 3x^2+12y^2-24y=0 | | 4(6x-1)=3 | | 3-3y=-8 | | 7+h=19 | | 4x+6=10-2x | | 77=43+g | | 1-3y=-8 | | 19+f=28 | | 6y=-3x+12fory |

Equations solver categories