3x+78=9x-5(x+1)

Simple and best practice solution for 3x+78=9x-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 3x+78=9x-5(x+1) equation:


Simplifying
3x + 78 = 9x + -5(x + 1)

Reorder the terms:
78 + 3x = 9x + -5(x + 1)

Reorder the terms:
78 + 3x = 9x + -5(1 + x)
78 + 3x = 9x + (1 * -5 + x * -5)
78 + 3x = 9x + (-5 + -5x)

Reorder the terms:
78 + 3x = -5 + 9x + -5x

Combine like terms: 9x + -5x = 4x
78 + 3x = -5 + 4x

Solving
78 + 3x = -5 + 4x

Solving for variable 'x'.

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

Add '-4x' to each side of the equation.
78 + 3x + -4x = -5 + 4x + -4x

Combine like terms: 3x + -4x = -1x
78 + -1x = -5 + 4x + -4x

Combine like terms: 4x + -4x = 0
78 + -1x = -5 + 0
78 + -1x = -5

Add '-78' to each side of the equation.
78 + -78 + -1x = -5 + -78

Combine like terms: 78 + -78 = 0
0 + -1x = -5 + -78
-1x = -5 + -78

Combine like terms: -5 + -78 = -83
-1x = -83

Divide each side by '-1'.
x = 83

Simplifying
x = 83

See similar equations:

| -7x+5=-5x-15 | | n*6+18=n*8-12 | | x+6=-9x+4 | | 2x^2+8=28 | | 553=x-(553x) | | 9m-13=45 | | 3+6x=2+x | | 2x^2+8=49 | | 4-7x=4x-62 | | 6y+13=29 | | (11)2+4=y | | 1x^2-15x+75=0 | | X+3=-9+3x | | 6x+13=-37-4x | | 19x+19=209 | | 8x^2=9-3x | | 9a/10=a-2 | | 7+3x=-6x+16 | | 5a-27=4b | | x^2+7x+2.25=4 | | 84=-7(p-5) | | x/15-30=15 | | 6a-3b/3a-b | | 10z-2=7 | | 12x^2+25+12= | | tan(7x)= | | x/9-2=-3 | | -5x+1=-2x-29 | | f(x)=x^4-8x-11F(-4) | | -2x+8=-2x | | 5+35x=20x+29 | | 5(2x)=5(12-x) |

Equations solver categories