21+2x=7

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


Simplifying
21 + 2x = 7

Solving
21 + 2x = 7

Solving for variable 'x'.

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

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

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

Combine like terms: 7 + -21 = -14
2x = -14

Divide each side by '2'.
x = -7

Simplifying
x = -7

See similar equations:

| (z+2)(2z-3)= | | 3(y+6)=4(y-6) | | x+3x=2x+12 | | 6c+5a=de | | (15-x)+(25-x)+x=30 | | 6-3x=2x-4 | | -10x-8=27-6x | | (25-x)+(15-x)=30 | | 3x+26+2x=8(x-15) | | x^4=10x^2-9 | | 4x+28=24 | | 12f-9f+12=-4(f+5) | | 3x^5-5x^4+4=0 | | 51+16d=51 | | 7(6-3y)+5(2y+4)=4x+9 | | 9x+5y=50 | | 6(2y-3)=7(y-13) | | -8(w-6)=23 | | 3x+9=5-y | | 25=x^2+27 | | x^2+ax-2a^2=0 | | lg(3x-1)=lg(x+1) | | lg(-x)=1 | | lgx=-1 | | 4x-8y=68 | | 5(y-3)=30 | | 14d=10(3+d) | | x^2+7x+12=o | | 7x+xy=xy+21 | | 2(x-2)+2(2x+2)= | | 5x-1*10=X | | 4(x+7)+7=35 |

Equations solver categories