21.5=x+2x+3.1

Simple and best practice solution for 21.5=x+2x+3.1 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 21.5=x+2x+3.1 equation: 


Simplifying
21.5 = x + 2x + 3.1

Reorder the terms:
21.5 = 3.1 + x + 2x

Combine like terms: x + 2x = 3x
21.5 = 3.1 + 3x

Solving
21.5 = 3.1 + 3x

Solving for variable 'x'.

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

Add '-3x' to each side of the equation.
21.5 + -3x = 3.1 + 3x + -3x

Combine like terms: 3x + -3x = 0
21.5 + -3x = 3.1 + 0
21.5 + -3x = 3.1

Add '-21.5' to each side of the equation.
21.5 + -21.5 + -3x = 3.1 + -21.5

Combine like terms: 21.5 + -21.5 = 0.0
0.0 + -3x = 3.1 + -21.5
-3x = 3.1 + -21.5

Combine like terms: 3.1 + -21.5 = -18.4
-3x = -18.4

Divide each side by '-3'.
x = 6.133333333

Simplifying
x = 6.133333333

See similar equations:

| -25x-250=25x+250 | | 34+a=-3(-a-8) | | 5k-3k=12 | | 27j-6+14j=7 | | 3(5n-4)=8n+2 | | -2=w/5-4 | | 4n+5=15n+4 | | 13+3m=1+3(3m+4) | | 25-4y=5y-20 | | -32=-17-2/d | | -23+3m=-(5+3m) | | a/15+3/5=4/15 | | 13x-245=4x-11 | | 2(3-2x)=3(x-5) | | 2.5x+15=3.5x | | (3x/x+4)-3=(x-18/x-4) | | .5x^2+2X=185 | | 2x-1*3=21 | | 171-7x=20x+18 | | y+4x=9(4) | | .5x^2+2X-185=0 | | 4x+13=-55 | | 1/7n-4n=1/3n | | 2x^2+5y^2=10 | | y+4x=9(0) | | yx+-13=-55 | | X-y/2=x+y/4 | | 10u+7=6u-32-9 | | B+6b+9=30 | | y+4x=9(1) | | 3(a+4)/92a-12 | | P-32=0.6 |

Equations solver categories