5=3x+21-7x

Simple and best practice solution for 5=3x+21-7x 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 5=3x+21-7x equation:


Simplifying
5 = 3x + 21 + -7x

Reorder the terms:
5 = 21 + 3x + -7x

Combine like terms: 3x + -7x = -4x
5 = 21 + -4x

Solving
5 = 21 + -4x

Solving for variable 'x'.

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

Add '4x' to each side of the equation.
5 + 4x = 21 + -4x + 4x

Combine like terms: -4x + 4x = 0
5 + 4x = 21 + 0
5 + 4x = 21

Add '-5' to each side of the equation.
5 + -5 + 4x = 21 + -5

Combine like terms: 5 + -5 = 0
0 + 4x = 21 + -5
4x = 21 + -5

Combine like terms: 21 + -5 = 16
4x = 16

Divide each side by '4'.
x = 4

Simplifying
x = 4

See similar equations:

| 3mn-6n=21 | | -26=3w-5 | | 4x-7=36x+1 | | 4(t-4)+6t=5(2t+5)-13 | | 4u+6=-6(u-6) | | 11x-2x+6= | | 3mn-6n=9 | | 3mn-6n=10 | | -7y+5y+30=12 | | 4x-5=x-14 | | 2(3x+7)+4(3x+2)=6(5x+4)+3 | | 3mn-6n= | | 7u+56=-3u-34 | | 5-a-11=4a-21 | | 2b-1=26-4b | | -(6y+2)-(-5y-3)=-4 | | 7.4x+1.7=-9.5-1.8x | | 2(x-4)+5(x+4)=x-2 | | Y=5x^2+20x+17 | | 1.03p-4=2.15+8.72 | | 2(x-4)+5(x+4)=x+2 | | X-15=-17 | | 58-3x=4x-5 | | 5(x-2)3=135 | | 12m^2-n^2-8mn+1= | | 7x-5=-4+5x-2x | | 2+6y+3=3y+5 | | 13x+6=-4+3x | | 5+1=x | | -(5y-2)-(-4y-7)=4 | | 3r+7=15r+10 | | 2[x]=3 |

Equations solver categories