40+3r=r+7(8r-2)

Simple and best practice solution for 40+3r=r+7(8r-2) 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 40+3r=r+7(8r-2) equation:


Simplifying
40 + 3r = r + 7(8r + -2)

Reorder the terms:
40 + 3r = r + 7(-2 + 8r)
40 + 3r = r + (-2 * 7 + 8r * 7)
40 + 3r = r + (-14 + 56r)

Reorder the terms:
40 + 3r = -14 + r + 56r

Combine like terms: r + 56r = 57r
40 + 3r = -14 + 57r

Solving
40 + 3r = -14 + 57r

Solving for variable 'r'.

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

Add '-57r' to each side of the equation.
40 + 3r + -57r = -14 + 57r + -57r

Combine like terms: 3r + -57r = -54r
40 + -54r = -14 + 57r + -57r

Combine like terms: 57r + -57r = 0
40 + -54r = -14 + 0
40 + -54r = -14

Add '-40' to each side of the equation.
40 + -40 + -54r = -14 + -40

Combine like terms: 40 + -40 = 0
0 + -54r = -14 + -40
-54r = -14 + -40

Combine like terms: -14 + -40 = -54
-54r = -54

Divide each side by '-54'.
r = 1

Simplifying
r = 1

See similar equations:

| 11n+6=13n-3 | | 15=8f | | 7(y+3)y=4.6 | | 7(x+3)-(2x-4)= | | 29=50I | | 2c+5a= | | 12/x=5 | | 12+8x-2= | | S=275+49 | | -8+2x=2(1+2x) | | f(x)=x^5+4x^3+5x | | X+34+21=180 | | 49+(6x-1)=90 | | -12x+2=124 | | 2x-5-4x+2= | | x^5+27x=0 | | 6x-2.4=4.2 | | 4=90v | | 7=280s | | 2(x-1)=4x-10 | | 4(x+2y)+9(-2x)= | | X+21+34=90 | | 15n=21 | | 6.33=110d | | ln(x)+ln(6x)=-1 | | 8×1/5= | | 236.91=-9.9r+0.3 | | 61+51+2X+80=180 | | 1-n=5(8-8n) | | -12x=1.44 | | 4x+5=10-x | | 2.5x-10+.75x=2+2.5+3-.5 |

Equations solver categories