42=-2(21-x)+4(x-3)

Simple and best practice solution for 42=-2(21-x)+4(x-3) 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 42=-2(21-x)+4(x-3) equation: 


Simplifying
42 = -2(21 + -1x) + 4(x + -3)
42 = (21 * -2 + -1x * -2) + 4(x + -3)
42 = (-42 + 2x) + 4(x + -3)

Reorder the terms:
42 = -42 + 2x + 4(-3 + x)
42 = -42 + 2x + (-3 * 4 + x * 4)
42 = -42 + 2x + (-12 + 4x)

Reorder the terms:
42 = -42 + -12 + 2x + 4x

Combine like terms: -42 + -12 = -54
42 = -54 + 2x + 4x

Combine like terms: 2x + 4x = 6x
42 = -54 + 6x

Solving
42 = -54 + 6x

Solving for variable 'x'.

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

Add '-6x' to each side of the equation.
42 + -6x = -54 + 6x + -6x

Combine like terms: 6x + -6x = 0
42 + -6x = -54 + 0
42 + -6x = -54

Add '-42' to each side of the equation.
42 + -42 + -6x = -54 + -42

Combine like terms: 42 + -42 = 0
0 + -6x = -54 + -42
-6x = -54 + -42

Combine like terms: -54 + -42 = -96
-6x = -96

Divide each side by '-6'.
x = 16

Simplifying
x = 16

See similar equations:

| 1500=3000-160x | | 16t^2+10t+474=0 | | 6w^2+7w-3=0 | | 90-(5y+1)= | | 5a+7a=2 | | 4.8x-1=17.9x+310 | | 2500=4000-160x | | -27+20w=63 | | 7(x+4)+8=10x-3(x-4) | | -5.00-4.00x=2 | | 8x-5/4+x/4=6x+1/4 | | 3(x+5)=2(x+6) | | 4a^4b^10/16a^7b^4 | | 2x+32+6=x+26 | | 25=4000-16x | | 4x+9-6x+11=3(x+5) | | 7b-7(11-2b)=10 | | p=12+4x | | p=10+2l | | 1/31/2 | | 6x(x+5)=16 | | 6+8a=50+6a-9a | | 12-5u=43 | | p=2l+10 | | x+3x+4x=24 | | 2m+3m-17m=80-m | | 3-3/8X=1/4X | | 1/4(28x-8) | | x+8a=50+ax-9a | | 26/39 | | 1/4X+1/5X=9 | | -3(x+2)=16-2 |

Equations solver categories