21x-12+3=x-31x+12

Simple and best practice solution for 21x-12+3=x-31x+12 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-12+3=x-31x+12 equation:


Simplifying
21x + -12 + 3 = x + -31x + 12

Reorder the terms:
-12 + 3 + 21x = x + -31x + 12

Combine like terms: -12 + 3 = -9
-9 + 21x = x + -31x + 12

Reorder the terms:
-9 + 21x = 12 + x + -31x

Combine like terms: x + -31x = -30x
-9 + 21x = 12 + -30x

Solving
-9 + 21x = 12 + -30x

Solving for variable 'x'.

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

Add '30x' to each side of the equation.
-9 + 21x + 30x = 12 + -30x + 30x

Combine like terms: 21x + 30x = 51x
-9 + 51x = 12 + -30x + 30x

Combine like terms: -30x + 30x = 0
-9 + 51x = 12 + 0
-9 + 51x = 12

Add '9' to each side of the equation.
-9 + 9 + 51x = 12 + 9

Combine like terms: -9 + 9 = 0
0 + 51x = 12 + 9
51x = 12 + 9

Combine like terms: 12 + 9 = 21
51x = 21

Divide each side by '51'.
x = 0.4117647059

Simplifying
x = 0.4117647059

See similar equations:

| 2m+3n+6m+9n= | | 10(x-4)=3x-61 | | 7/3=2/n | | 4y^2-3y+6y^2-8y= | | x+(x*.15)=.4 | | x+(x*.15)=45 | | 4.5=x | | 146000000/1.16= | | 9.00=0.3(x)+5.37 | | 4^2/2^4= | | 6.91=0.3(x)+5.37 | | 4^2/2^4 | | Y=0.3(6)+5.37 | | Y=0.3(7)+5.37 | | 6+8y-8y=-6 | | a^2-13a+42= | | 146,000,000/1.16 | | Y=0.3(5)+5.37 | | Y=0.3(3)+5.37 | | (X)+4=90 | | Y=0.3(1)+5.37 | | x+3x+4(5x)=67 | | (y-4)(2y+5)= | | 4s+27=75 | | o=.5(x)+6 | | o=.5x+6 | | 4x-28=7-x | | Y=.5(-2)+6 | | =x^2(4x+1) | | Y=.5(0)+6 | | 4.38(3f)+3.42f=99.36 | | 0=.5(x+6) |

Equations solver categories