7x-49=21

Simple and best practice solution for 7x-49=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-49=21 equation: 


Simplifying
7x + -49 = 21

Reorder the terms:
-49 + 7x = 21

Solving
-49 + 7x = 21

Solving for variable 'x'.

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

Add '49' to each side of the equation.
-49 + 49 + 7x = 21 + 49

Combine like terms: -49 + 49 = 0
0 + 7x = 21 + 49
7x = 21 + 49

Combine like terms: 21 + 49 = 70
7x = 70

Divide each side by '7'.
x = 10

Simplifying
x = 10

See similar equations:

| 3m+6m=95 | | 2(4s-16)-5=-5 | | 5a+6=8a-30 | | -8u+4(u+5)=28 | | 80=30+5b | | -2-3y=9 | | b/3+9=13 | | 8x+165=5x+106 | | 8k-5=77 | | 3c+1=10 | | -27=-2+5y | | -9+9= | | 2z+5=9 | | 3k+7=13 | | 24x+6y+30=0 | | 9-3n=30 | | -5v-37=-8(v+5) | | x-3(1)=9 | | -17-z=5z+19 | | 2-8= | | 4=y+2-y+4y-3y | | -16x^2+1444=0 | | -8d-17+18=-7d+18 | | -12x+15= | | 21=3+6x | | 1=4n-5n | | -(-9-n)=12 | | 42y-3=5 | | -11s=17-12s | | 17y-13y=16 | | -5u+6=-3u | | 6x-6+2x-6=2x-1+2x-1+2x-1+2x |

Equations solver categories