-7x+7=21

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


Simplifying
-7x + 7 = 21

Reorder the terms:
7 + -7x = 21

Solving
7 + -7x = 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 + -7x = 21 + -7

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

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

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

Simplifying
x = -2

See similar equations:

| 6y-11=115 | | 22+7c=64 | | -4=-t+(-3) | | -7+7=21 | | 2c-11=5 | | 2x+3=-6(x-1) | | -8-7(8n-8)=-232 | | -1+5x=-11 | | 2y+x=-3 | | sqrt27m^8/12m | | -2+-3m=-8 | | 3f-5=4 | | -6x-3=63 | | 9X/8 | | 12n+9(10-n)=111 | | -5h+5+6h=7 | | 21/15=(3k-2)/5 | | 15yz/20yz | | 2x^5+3x^4+16x^3+27x^2-18x= | | (2x+4)+(2x+2)=4 | | 1000/40(x) | | 1/5(20x+400)=100 | | 30=15-3/4x | | -3/2/3=1/1/2 | | 14=3y-16 | | (3x+6)(x-7)=0 | | 8h+12=5h-21 | | -31/1/3=1/1/2v | | 2u+11=29 | | 6x+2x-8=2(4x+5) | | 4(3x+4)-15=10x-3 | | 0=100A^2-49B^2 |

Equations solver categories