x-1+3x=-21

Simple and best practice solution for x-1+3x=-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 x-1+3x=-21 equation:


Simplifying
x + -1 + 3x = -21

Reorder the terms:
-1 + x + 3x = -21

Combine like terms: x + 3x = 4x
-1 + 4x = -21

Solving
-1 + 4x = -21

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 + 4x = -21 + 1

Combine like terms: -1 + 1 = 0
0 + 4x = -21 + 1
4x = -21 + 1

Combine like terms: -21 + 1 = -20
4x = -20

Divide each side by '4'.
x = -5

Simplifying
x = -5

See similar equations:

| 3G-35=62 | | 0.40x+0.10(90)=0.20(55) | | 3n^2+n-4=equation | | 13(x-3)-3(2x-1)=-1 | | Ln(ln(4x))=0 | | Y=12+2x | | 4p-15=-30+9p | | f(x)=2x^2+kx+7 | | 7x-16=2+4x | | 0=10x+x^2+16 | | 0.4w-w= | | 0=10x+x^2+17 | | (55v^3)=2+.05x | | 15x+15y=40 | | .4w-w=0.6w | | 4.5n-7.2+2.5n=48.8 | | 5x+45=5x-32 | | 15v^2-35v/5v^2-15v | | 3+2(g-5)=10g+9 | | 4(2d-1)-6d= | | 7x=8-7y | | 9y^2-16x^2-36y-96x-252=0 | | 4y+2=6.8 | | y=101(2.5)+207.85 | | V-6/v^2-36 | | v=2+.05x | | x^2+35x+5=0 | | 7y+10=8y-5 | | t=100(n+3) | | 5.1x+10.2=1.02 | | 1a+7=12-a | | X-4=-1+2 |

Equations solver categories