7+5x-1=21

Simple and best practice solution for 7+5x-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 7+5x-1=21 equation: 


Simplifying
7 + 5x + -1 = 21

Reorder the terms:
7 + -1 + 5x = 21

Combine like terms: 7 + -1 = 6
6 + 5x = 21

Solving
6 + 5x = 21

Solving for variable 'x'.

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

Add '-6' to each side of the equation.
6 + -6 + 5x = 21 + -6

Combine like terms: 6 + -6 = 0
0 + 5x = 21 + -6
5x = 21 + -6

Combine like terms: 21 + -6 = 15
5x = 15

Divide each side by '5'.
x = 3

Simplifying
x = 3

See similar equations:

| 5-5=12x-89 | | 5x+37=59-13x | | 35-5x=4x+16 | | 59-13x=37+5x | | 84+4x=7x | | x^5-21x+1=0 | | 8x+8=5x+28 | | .875x-2=.6 | | 6x-19=49 | | .875x-2=.66666666666666666666 | | x^5+21x+1=0 | | 2a+3b+4c+2a= | | 3x-8=118-11x | | -24x-6+7x+9x-27=4 | | 24x-6x^2=0 | | 2p+0(1-p)=0p+1(1-p) | | .07x+160=152+.08x | | -24p+8=9p-1 | | 2y=.6y+.21 | | p=3a+4b | | c=50+.75y+-150+600+3000+60+-900 | | .75m+3=8 | | 11+14=3(x-1)+16 | | 1.6x+4=0 | | 4x^4-3x^2-8x=0 | | 2u^2-9u-18u+81= | | 3(x+2)-2(x+2)=8 | | 50+.75Y= | | 7x+3(x+2)=16 | | -(b+a)-4(2b+3)= | | 0.5y-0.4y-2=70-3.5y | | 8m+3n-3m+11n= |

Equations solver categories