21x-5-13x+4=21x-6-13x+13

Simple and best practice solution for 21x-5-13x+4=21x-6-13x+13 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 21x-5-13x+4=21x-6-13x+13 equation: 


Simplifying
21x + -5 + -13x + 4 = 21x + -6 + -13x + 13

Reorder the terms:
-5 + 4 + 21x + -13x = 21x + -6 + -13x + 13

Combine like terms: -5 + 4 = -1
-1 + 21x + -13x = 21x + -6 + -13x + 13

Combine like terms: 21x + -13x = 8x
-1 + 8x = 21x + -6 + -13x + 13

Reorder the terms:
-1 + 8x = -6 + 13 + 21x + -13x

Combine like terms: -6 + 13 = 7
-1 + 8x = 7 + 21x + -13x

Combine like terms: 21x + -13x = 8x
-1 + 8x = 7 + 8x

Add '-8x' to each side of the equation.
-1 + 8x + -8x = 7 + 8x + -8x

Combine like terms: 8x + -8x = 0
-1 + 0 = 7 + 8x + -8x
-1 = 7 + 8x + -8x

Combine like terms: 8x + -8x = 0
-1 = 7 + 0
-1 = 7

Solving
-1 = 7

Couldn't find a variable to solve for.

This equation is invalid, the left and right sides are not equal, therefore there is no solution.

See similar equations:

| p-1p+2= | | -2d=-3d-10 | | 5x-(-3x+1)=7 | | 23=-7+3x | | 3x-3+x=24 | | 40-100x=0 | | T^2+5t-18=0 | | 4+7f=9f-2 | | 1.3x-1.2= | | x(7+x)-2(x+1)-3x=-2 | | -4q=10-5q | | 0.5x+32= | | 2y(-10)=18 | | 15+3*10= | | 18+3k=27 | | .5*(80*(110-80))= | | 7s-12= | | -9c=1-10c | | 3+8x^2-10x=0 | | (x-6)-(5x^2)= | | 5x=(3x-7) | | 9g=g+17 | | 49x^2=39 | | 12r-24= | | 0.11-0.1(x+2)=-0.2(3-x) | | 3-3a= | | -b+10=b | | 4+5x=143 | | X^20=1.42 | | y+2(y-3)=4 | | -4(5y+13)=48 | | 100x-4x^2=(30-2x)(25-2x) |

Equations solver categories