7x-3x=-1+21

Simple and best practice solution for 7x-3x=-1+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 7x-3x=-1+21 equation: 


Simplifying
7x + -3x = -1 + 21

Combine like terms: 7x + -3x = 4x
4x = -1 + 21

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

Solving
4x = 20

Solving for variable 'x'.

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

Divide each side by '4'.
x = 5

Simplifying
x = 5

See similar equations:

| 3x5-x=x/15-14/3 | | 50a^3+8ab=0 | | 4x^2+3x=24-x | | 4(3-x)-5(1-2x)=7(3+x) | | x*(x+1)=200 | | x*(x+1)=100 | | 4x+6y+2z=100 | | x+1=100 | | (2g-13)(88-g)g=987 | | y=18+-6x | | -6x+y=8 | | 3t=7k/13-17 | | 3x(1-4x)=8-12x | | 5x^5+31x^4+36x^3+36x^2+31x+5=0 | | 4(7x-9)-7(4x+3)=6(9x-10) | | 10k-8=3k+34 | | 4x^2+36x-60=0 | | 3a-7=a | | 300+6x=10x-100 | | 2g-13=88 | | 4=(5x-1)^1/3 | | x+(x+2)=12.50 | | (4x^2)+(3y^2)-8x-12y+4=0 | | 32x+-7x=59 | | .8x+80=.6x+150 | | 18x/27x | | 8(2x)=11 | | 3y+10=0 | | h=2(3.14)rh+2(3.14)r(r) | | 15mn/mn= | | 15mn/mn | | 72+6x=3x |

Equations solver categories