13x+21=4x+12

Simple and best practice solution for 13x+21=4x+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 13x+21=4x+12 equation:


Simplifying
13x + 21 = 4x + 12

Reorder the terms:
21 + 13x = 4x + 12

Reorder the terms:
21 + 13x = 12 + 4x

Solving
21 + 13x = 12 + 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.
21 + 13x + -4x = 12 + 4x + -4x

Combine like terms: 13x + -4x = 9x
21 + 9x = 12 + 4x + -4x

Combine like terms: 4x + -4x = 0
21 + 9x = 12 + 0
21 + 9x = 12

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

Combine like terms: 21 + -21 = 0
0 + 9x = 12 + -21
9x = 12 + -21

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

Divide each side by '9'.
x = -1

Simplifying
x = -1

See similar equations:

| -5a-6(1-5a)=2-(2a+8) | | x^2-2x+12=3x+36 | | -36x^2+144x-60=0 | | (m-15)(m+9)=m-15 | | -(5+3p)-6p=-4(p+2)-7 | | (y-8)(y+2)=y-8 | | 0.4/a=0.32 | | 7x-8=3x-40 | | 3a+(a+b)=180 | | a+3a+(a+b)=180 | | 1.5(x-1)-1.5=2.5(x-3) | | -8(4n+8)-2(1-3n)=-n+8+n+4 | | -2+2(6)= | | -4r+8=32 | | -3p+3p=-6(5p+1)+6(3+7p) | | -4.8/-1.6 | | -5(6p+8)+6(p-7)= | | -7/8x=-21/32 | | 4q-3.3=2.4q+10.78 | | 7(2x+3)+8=-6(7x+4)+3x | | -2x+6x-3= | | (-4t+8)(4t+1)=0 | | -5X+6/5=9X+7/2 | | 3x-5y=19 | | 180-x=2x+12 | | 3(2x+3)=-2x+2 | | 7(x-12)-11=22x-275 | | 5(2x-5)-3(x+1)-18x= | | (n-4)(n+4)=n-4 | | 2x-5=55+7x | | -(3)/(y-5)=(-(8)/5y-25)+1 | | -6(x+4)+158=13+25 |

Equations solver categories