4x-3=2x+21

Simple and best practice solution for 4x-3=2x+21 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 4x-3=2x+21 equation:


Simplifying
4x + -3 = 2x + 21

Reorder the terms:
-3 + 4x = 2x + 21

Reorder the terms:
-3 + 4x = 21 + 2x

Solving
-3 + 4x = 21 + 2x

Solving for variable 'x'.

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

Add '-2x' to each side of the equation.
-3 + 4x + -2x = 21 + 2x + -2x

Combine like terms: 4x + -2x = 2x
-3 + 2x = 21 + 2x + -2x

Combine like terms: 2x + -2x = 0
-3 + 2x = 21 + 0
-3 + 2x = 21

Add '3' to each side of the equation.
-3 + 3 + 2x = 21 + 3

Combine like terms: -3 + 3 = 0
0 + 2x = 21 + 3
2x = 21 + 3

Combine like terms: 21 + 3 = 24
2x = 24

Divide each side by '2'.
x = 12

Simplifying
x = 12

See similar equations:

| -7.1y-1.2+9.3y+1.2= | | 18a+6-30=6a-12 | | 2x+2y=13 | | 5x+3y=2z | | 7(y-9)=9y-63 | | 10x+10=12x-14 | | 7(-20-11r)=10-19(r+14) | | 10x+10=12-14 | | -6x+3x=12 | | -4=0.2(4y-2) | | 32p-5-(5+17P)= | | p=22x+22 | | 16x-15-9x=-13 | | 8-5x-7x-2= | | 7x^2+12x=0 | | A+1.25=2a+1 | | 0.2n+9=8(0.4-1) | | -2=6-4y | | 7+2(-8x+y)-(-11x+2y)=0 | | 5x+7x^2-8x+2x^2= | | 50+35h=190 | | 192x+192=-48 | | 30+47=r | | p-15=-11 | | 7+2(-8+y)-(-11x+2y)=0 | | 32=8x+4y | | 40-2x=10 | | 6/12(3-x)-4/12(x+2)=9/12 | | 5d^2+8-(4d^2+5)= | | X^2+11x+9=69 | | 0.18(3+2n)=10 | | 8d=40 |

Equations solver categories