8(3+-2)=4(r+2)-21

Simple and best practice solution for 8(3+-2)=4(r+2)-21 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 8(3+-2)=4(r+2)-21 equation: 


Simplifying
8(3 + -2) = 4(r + 2) + -21

Combine like terms: 3 + -2 = 1
8(1) = 4(r + 2) + -21

Multiply 8 * 1
8 = 4(r + 2) + -21

Reorder the terms:
8 = 4(2 + r) + -21
8 = (2 * 4 + r * 4) + -21
8 = (8 + 4r) + -21

Reorder the terms:
8 = 8 + -21 + 4r

Combine like terms: 8 + -21 = -13
8 = -13 + 4r

Solving
8 = -13 + 4r

Solving for variable 'r'.

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

Add '-4r' to each side of the equation.
8 + -4r = -13 + 4r + -4r

Combine like terms: 4r + -4r = 0
8 + -4r = -13 + 0
8 + -4r = -13

Add '-8' to each side of the equation.
8 + -8 + -4r = -13 + -8

Combine like terms: 8 + -8 = 0
0 + -4r = -13 + -8
-4r = -13 + -8

Combine like terms: -13 + -8 = -21
-4r = -21

Divide each side by '-4'.
r = 5.25

Simplifying
r = 5.25

See similar equations:

| 2p-2(3-4p)=5(p-6)-6 | | 35=7-25x | | 430/10=j | | 6x^2-27x-18= | | -8f+4(6-3f)=(2+5f)(-3) | | 18.33+x=110 | | x+x+x=3-3-3 | | 516/12=h | | 3(n-2)=5(n-2) | | x+-16=-15 | | 3y+1+4(16)-5=180 | | -2(1+5p)+6(1-4p)=38 | | 144/9=f | | X*6=110 | | -7x-12=-2x-13 | | -3y+2x=60 | | 1+2x+3x=9+x | | 5=4sin(5x) | | 4q-4=28 | | 4*4x-1+3-11x-7=9 | | 6p-10=2(5+3p) | | 100[0.08(n+7)]= | | 4s-1=8-4s | | -7y+8y=4x+2(x-5)-4x+4 | | 232/8=a | | 4-2.33r+2.8=20.314 | | 0.6(x-12)=4 | | 9.76=t-1.66 | | 312/6=f | | 2w+2(w*.5)=54 | | 2+2r=r-2 | | 7x-9=8x+6 |

Equations solver categories