2x+3+4x=21

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


Simplifying
2x + 3 + 4x = 21

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

Combine like terms: 2x + 4x = 6x
3 + 6x = 21

Solving
3 + 6x = 21

Solving for variable 'x'.

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

Add '-3' to each side of the equation.
3 + -3 + 6x = 21 + -3

Combine like terms: 3 + -3 = 0
0 + 6x = 21 + -3
6x = 21 + -3

Combine like terms: 21 + -3 = 18
6x = 18

Divide each side by '6'.
x = 3

Simplifying
x = 3

See similar equations:

| 8/5=x/3 | | 5p^3+35p^2+60=0 | | 3x+5=4x+4 | | y/100x-10 | | 6*43= | | 461=-3+8(2-8p) | | 5x+4=2(5x-3) | | 4x+2.5y=1410 | | w-2/7=6/7 | | 4g=1 | | 40=4(4n-2) | | k/3=21=27 | | 7+log(5)(x-7)=8 | | -6u^2+11u-4=0 | | A(x)=4x-24x+34 | | (48/t)(4/128x) | | n+-5=-9 | | 7cos(x)+7=0 | | y=5+2-7 | | 1.5c-1=1.7c-5 | | -8(3v+1)+8v=88 | | 2(4j-9)=14 | | PV/T=pv/t | | 8t+8=4x-8 | | c/2=1/2(8-3 | | 6-2p=p+6 | | 7=m+8 | | 5*x^2-12*x-1.6=0 | | 7x+52=2x+39 | | (12)(5)-8(43h+6)=[(2h+h)+6]2 | | -16t^2+20t+10=0 | | 3x^7+15=593 |

Equations solver categories