x*3-1=20

Simple and best practice solution for x*3-1=20 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 x*3-1=20 equation:


Simplifying
x * 3 + -1 = 20

Reorder the terms for easier multiplication:
3x + -1 = 20

Reorder the terms:
-1 + 3x = 20

Solving
-1 + 3x = 20

Solving for variable 'x'.

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

Add '1' to each side of the equation.
-1 + 1 + 3x = 20 + 1

Combine like terms: -1 + 1 = 0
0 + 3x = 20 + 1
3x = 20 + 1

Combine like terms: 20 + 1 = 21
3x = 21

Divide each side by '3'.
x = 7

Simplifying
x = 7

See similar equations:

| x(x)+7x+10=0 | | 10(1+3f)=-20 | | 5-4+7x=4x+6 | | S+(-1)=16 | | 3(2x+2)+4x=36 | | 5b=b+3 | | x-14=-30 | | 7x+x^2=-2 | | 4a^2-48a+108=0 | | 2.55(10-y)+27.5y=250 | | 5x^2+35x+10=0 | | 35x^2+35x+10=0 | | 95x2/1=45 | | S=1/2^2 | | ln(x)-ln(x^3)=8 | | 6n=30+3-12 | | 6n=30+36n-12 | | 86+58=8(y-6) | | 5y(8y-4y)+2y= | | 2/10=p/100 | | 2/100=p/100 | | 6y-4(4z-5y)6z= | | 6^m/6^n | | 121=12x | | 244=12x | | 2(w+3)+4w= | | 6m/6n | | y-8=(-7/9)*18 | | -2(x+3)+4w= | | 28/e=7/14 | | 9a+18+15=33 | | y-8=(-7/9)x |

Equations solver categories