-7+2x=21

Simple and best practice solution for -7+2x=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+2x=21 equation: 


Simplifying
-7 + 2x = 21

Solving
-7 + 2x = 21

Solving for variable 'x'.

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

Add '7' to each side of the equation.
-7 + 7 + 2x = 21 + 7

Combine like terms: -7 + 7 = 0
0 + 2x = 21 + 7
2x = 21 + 7

Combine like terms: 21 + 7 = 28
2x = 28

Divide each side by '2'.
x = 14

Simplifying
x = 14

See similar equations:

| 3c=7.25+4.72 | | 12=k*18 | | 5x+(2x-7)+12=4x-10 | | (-6/(-3x-7))0 | | -n+15=1+6n | | 8r+10=15+7r | | 12x-6x-38=40 | | 18+6a=1+9a+8 | | X+7+12=0 | | (2x+y)(2x+y)(2x+y)-2x(2x-y)(2x+3y)-y*y*y= | | P=0.6m+2.3 | | 5n-5=-9+6n | | 320=5x | | X-72=0 | | -9n+8n=8+n+3+9 | | 8cos^3(x)=8cos(x) | | 9x=10-3 | | X-28x=0 | | -10n-1=1-8n | | 40x+20y=21000 | | 5n+6=4n+9 | | 23x+y=360 | | 2x+6=-4x-18 | | -6(6x-2)=-68 | | 1-3a-4=9 | | 3cos^2(2x)-9/4=0 | | 5(3x+7)=-170 | | 5(3x+6)=-168 | | 8i^18-5i+i^16=25i^3+3i^12-i | | 7-3b-1=18 | | -b-2=10+5b | | 8x-20x=0 |

Equations solver categories