5x-3+2x=21

Simple and best practice solution for 5x-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 5x-3+2x=21 equation:


Simplifying
5x + -3 + 2x = 21

Reorder the terms:
-3 + 5x + 2x = 21

Combine like terms: 5x + 2x = 7x
-3 + 7x = 21

Solving
-3 + 7x = 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 + 7x = 21 + 3

Combine like terms: -3 + 3 = 0
0 + 7x = 21 + 3
7x = 21 + 3

Combine like terms: 21 + 3 = 24
7x = 24

Divide each side by '7'.
x = 3.428571429

Simplifying
x = 3.428571429

See similar equations:

| h(x)=-4.9x^2+14x+30 | | 5+7n=72 | | -23=18+9 | | 4+7n=4-6n | | 24=9t-17t | | 150.25/0.5 | | -12=-5n+11 | | 10x-61+18y+5=180 | | 19-12=x/-5 | | 6r+10=5r+2 | | 4(2x+1)-5=23 | | 2r+10=r+6 | | 3r-5+2r=50 | | 32=-108k | | 3/2x4/1 | | 3(x+6)+8(x-3)=27 | | 5x-2=6x-4 | | 9+3x+5=5x-4 | | -2y-6(y+4)=0 | | 8b-2=b+1-1+12 | | -6+10-2x=4x+12+5x | | U=2x-2 | | 14(4x-3)=8x-9 | | 13(x-9)=-4-9 | | 9p+6=8p | | 4(x-5)/-3=12 | | -12k+32=-120k | | 6-3x-6=15 | | 4v+8=8 | | x/2=23/10 | | 0=2x^2-13-7 | | 9+3x+5= |

Equations solver categories