21=3(1+6x)+5(x-1)

Simple and best practice solution for 21=3(1+6x)+5(x-1) 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 21=3(1+6x)+5(x-1) equation:


Simplifying
21 = 3(1 + 6x) + 5(x + -1)
21 = (1 * 3 + 6x * 3) + 5(x + -1)
21 = (3 + 18x) + 5(x + -1)

Reorder the terms:
21 = 3 + 18x + 5(-1 + x)
21 = 3 + 18x + (-1 * 5 + x * 5)
21 = 3 + 18x + (-5 + 5x)

Reorder the terms:
21 = 3 + -5 + 18x + 5x

Combine like terms: 3 + -5 = -2
21 = -2 + 18x + 5x

Combine like terms: 18x + 5x = 23x
21 = -2 + 23x

Solving
21 = -2 + 23x

Solving for variable 'x'.

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

Add '-23x' to each side of the equation.
21 + -23x = -2 + 23x + -23x

Combine like terms: 23x + -23x = 0
21 + -23x = -2 + 0
21 + -23x = -2

Add '-21' to each side of the equation.
21 + -21 + -23x = -2 + -21

Combine like terms: 21 + -21 = 0
0 + -23x = -2 + -21
-23x = -2 + -21

Combine like terms: -2 + -21 = -23
-23x = -23

Divide each side by '-23'.
x = 1

Simplifying
x = 1

See similar equations:

| 2x+4x-12=-48 | | P-3-5p=13 | | 42x^2-1x-30=0 | | 1-9b-12=-2 | | 0=2(x-5) | | n-35=88 | | 4a-3b-2c= | | -3=-1-1j | | 2(3m-2)=7 | | 7x=2(x-e) | | -t/4=-9.42 | | n-49=59 | | F(X)=3x^2-7x+4 | | 21(2-x)=44-12x | | -98=6(-7x+5)-2 | | 11-3x=-28 | | 6-12x=8x-34 | | 18-3m-5=3m-3+2m | | -6m+6+8m=-5+2m-1 | | 4m^2-6m+3=0 | | 3(x+5y+3)= | | 3tan(3x)+1=0 | | 1.5-2x=x+9 | | 0.5x+3(0)=9 | | 9-16=40 | | -3-9x=3(-3x-1) | | -3+6(x-1)=12x+5-6x | | 2=3t-3 | | 4z-8=-30-6 | | 5m+2-3m=1m-10 | | 90+0.40x-0.40x=70+0.90x-0.40x | | -4y=1.48 |

Equations solver categories