12x-21=7x+4

Simple and best practice solution for 12x-21=7x+4 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 12x-21=7x+4 equation:


Simplifying
12x + -21 = 7x + 4

Reorder the terms:
-21 + 12x = 7x + 4

Reorder the terms:
-21 + 12x = 4 + 7x

Solving
-21 + 12x = 4 + 7x

Solving for variable 'x'.

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

Add '-7x' to each side of the equation.
-21 + 12x + -7x = 4 + 7x + -7x

Combine like terms: 12x + -7x = 5x
-21 + 5x = 4 + 7x + -7x

Combine like terms: 7x + -7x = 0
-21 + 5x = 4 + 0
-21 + 5x = 4

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

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

Combine like terms: 4 + 21 = 25
5x = 25

Divide each side by '5'.
x = 5

Simplifying
x = 5

See similar equations:

| 60=2(x+14)+2x | | 4x^2+4x+2=26 | | 4x+4=x+19 | | a+8b+10+5a-3= | | 4(x-1)=2(x+2)+6 | | 5x+9=119-6x | | 4h+t-3h+5t= | | 58-4x=5x+17 | | 3y^2-2y-4=0 | | 10-10x=26-17x | | 8x-6=3x+4 | | 2x+10=3x+7 | | 148-5x=6x+5 | | 4x-8x=6-2x-1 | | 102-5x=8x+24 | | -2(x-1)=-16 | | 25+1= | | 5x+40=105 | | W^2-2w-24=0 | | 9999(t-3)=44489 | | 2x-3=9x-45 | | x+x+12=48 | | 5x-4=3x-10 | | x+x-4=8 | | 6x+31=13x-46 | | n^2+n-420=0 | | 4x+72=9x+12 | | n+9=4n-6 | | P(2n+1)=5 | | X^2+6x+1=0 | | -(8y+2)-(-7y-5)=1 | | 6x+13=-52-7x |

Equations solver categories