21=8(6-2x)-7(x-6)

Simple and best practice solution for 21=8(6-2x)-7(x-6) 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=8(6-2x)-7(x-6) equation:


Simplifying
21 = 8(6 + -2x) + -7(x + -6)
21 = (6 * 8 + -2x * 8) + -7(x + -6)
21 = (48 + -16x) + -7(x + -6)

Reorder the terms:
21 = 48 + -16x + -7(-6 + x)
21 = 48 + -16x + (-6 * -7 + x * -7)
21 = 48 + -16x + (42 + -7x)

Reorder the terms:
21 = 48 + 42 + -16x + -7x

Combine like terms: 48 + 42 = 90
21 = 90 + -16x + -7x

Combine like terms: -16x + -7x = -23x
21 = 90 + -23x

Solving
21 = 90 + -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 = 90 + -23x + 23x

Combine like terms: -23x + 23x = 0
21 + 23x = 90 + 0
21 + 23x = 90

Add '-21' to each side of the equation.
21 + -21 + 23x = 90 + -21

Combine like terms: 21 + -21 = 0
0 + 23x = 90 + -21
23x = 90 + -21

Combine like terms: 90 + -21 = 69
23x = 69

Divide each side by '23'.
x = 3

Simplifying
x = 3

See similar equations:

| 2t+1=3t+5 | | 16+4a-2=36 | | AB+BC=BC+CD | | 25=-2(2+-1) | | -59=-7(p+1)+5(6p+8) | | y=k/2 | | 6+3b=15 | | (3x^2y^5)= | | 5x+5=54 | | 8x-(4x+14)=18 | | x^4-13x^3+40=0 | | 6/x=15/12 | | 250+14x=32 | | -25=5(-7+5n)-5(4n+5) | | -4x-8=-15+3x | | x^2-180x+100=0 | | (D^3-4D)y=2cos*h^2*2x | | 3x^2-55x+146=0 | | -2(x+3)-5=10 | | 12y^2(2x^3)= | | 2(p-8)+3(-6p+5)=31 | | p=2(53)+2(119) | | 7x-15-2x=9x-8 | | 4x^3y^4(-7x^5)= | | X+20=2x-7 | | -79=8(-2x+2)-7(2x+5) | | 9(12x+8)=20x | | 14=36/x | | 12x-4=10-2x | | 8(x-6)+8=8x+3 | | 3x+15=x+55 | | -2x^3y^2(-12xy^4)= |

Equations solver categories