21x+42=11-(x+2)

Simple and best practice solution for 21x+42=11-(x+2) 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+42=11-(x+2) equation:


Simplifying
21x + 42 = 11 + -1(x + 2)

Reorder the terms:
42 + 21x = 11 + -1(x + 2)

Reorder the terms:
42 + 21x = 11 + -1(2 + x)
42 + 21x = 11 + (2 * -1 + x * -1)
42 + 21x = 11 + (-2 + -1x)

Combine like terms: 11 + -2 = 9
42 + 21x = 9 + -1x

Solving
42 + 21x = 9 + -1x

Solving for variable 'x'.

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

Add 'x' to each side of the equation.
42 + 21x + x = 9 + -1x + x

Combine like terms: 21x + x = 22x
42 + 22x = 9 + -1x + x

Combine like terms: -1x + x = 0
42 + 22x = 9 + 0
42 + 22x = 9

Add '-42' to each side of the equation.
42 + -42 + 22x = 9 + -42

Combine like terms: 42 + -42 = 0
0 + 22x = 9 + -42
22x = 9 + -42

Combine like terms: 9 + -42 = -33
22x = -33

Divide each side by '22'.
x = -1.5

Simplifying
x = -1.5

See similar equations:

| 4x-15+2x-10=x-4+2x-9 | | 3(x-4)=2x+7 | | 9+n=-75 | | 3m^2+5-12=0 | | 13x+2-4x-30=80 | | 3x-12+3x-4=2x-9+3x-6 | | 4+21x+12x= | | 0(-1x+8)+1(-12x+6)= | | -2(5y-4)=6y+40 | | .20x+.35(30)=21.5 | | 2(5x-3)=-16 | | 8w^2+4w-40=0 | | -7-5x=9-9 | | 4(x-3)+14=2(7x+14) | | 20+12(169*13)*6= | | 5x-x+7=17+2x | | 11a-21=3a+11 | | (3-x)*2= | | 5x+8-12x=36 | | 0.4(2s+4)=-30 | | 7f-3(1+5f)=29 | | 6(y-2)=2y-28 | | 3/5k-1/2-1/7 | | 4c+27c+35=0 | | 4x+2=-14/7 | | 6x-18=64-x | | 3(2c-1)-4=4c+9 | | 3(x+7)+2(x-3)=50 | | x=.075*9618 | | 4t-3=5(t+5) | | 3/2(3x+3)=2-8x+15 | | 13-2h=91 |

Equations solver categories