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:

| y+1.5=7.9 | | 10x+15y=425 | | u=(2u^2-u+4)+(-5u^2+3u+6) | | Ln*X-Ln*(x-2)=5 | | 2a-6b+12= | | -3x-15=-9 | | -3x-15=-8 | | 415.3=x+(x-6.1) | | 3x+4(x+1)+8=0 | | 3.14*(0.1)*(9)= | | -6/7x-2=-2x-11 | | 7(x-3)-(5-4x)= | | x+(x+6)=102 | | -3=9+w | | 1.5x+y=5 | | -4x+3.4=5x-11 | | 38=-39+7j+14 | | U-3=-8 | | -5+11=2(5)+7 | | 55-2=55-2+9-8+1-2 | | 2x^2-4x+k=0 | | 2.1x-70=35 | | 10p=-720 | | 36-2x=0 | | 8-2(2x-3)=12-2x | | -2+3x-4=0 | | 14x^2+23x-15=0 | | -28i=(4m)i | | -54=-9r | | x^2+2x+50=0 | | 4x+10y=138 | | 1.5x=8 |

Equations solver categories