21x+6=90

Simple and best practice solution for 21x+6=90 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+6=90 equation: 


Simplifying
21x + 6 = 90

Reorder the terms:
6 + 21x = 90

Solving
6 + 21x = 90

Solving for variable 'x'.

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

Add '-6' to each side of the equation.
6 + -6 + 21x = 90 + -6

Combine like terms: 6 + -6 = 0
0 + 21x = 90 + -6
21x = 90 + -6

Combine like terms: 90 + -6 = 84
21x = 84

Divide each side by '21'.
x = 4

Simplifying
x = 4

See similar equations:

| -34-4x=8-10x | | 55+4x=90-3x | | 5x+7=-123-8x | | -2x+3=-7 | | 0=196-7s | | 127-6x=5x+6 | | -58-2x=5-9x | | 7x-3=2x-28 | | 36x^2-65-36=0 | | -22.8=6n | | -5w=-24.5 | | 0.4d=2.8 | | 3x+22=12x-59 | | 100-7x=38x+20 | | (9x+2)=120 | | (7x+2)(x-5)=0 | | 6=2x+3 | | 137-6x=5x+5 | | x^3+7x^2-4x-28=0 | | 3x+8=-92-7x | | x^3-4x=-7x^2+28 | | 4+6x-9x=36 | | (13y-10)+6y=180 | | 3(8n+4)=-36+8n | | n^4-16n^2+60=0 | | (9x+2)+6y=180 | | (9x+2)+6y=18 | | 8y+5=38 | | 6(9x-1)-20=11(2k-3)+2 | | 3=n-4 | | 15y+11=48 | | -40=4(7a+5)-8a |

Equations solver categories