3x+9=4(x-5)

Simple and best practice solution for 3x+9=4(x-5) 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+9=4(x-5) equation:


Simplifying
3x + 9 = 4(x + -5)

Reorder the terms:
9 + 3x = 4(x + -5)

Reorder the terms:
9 + 3x = 4(-5 + x)
9 + 3x = (-5 * 4 + x * 4)
9 + 3x = (-20 + 4x)

Solving
9 + 3x = -20 + 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.
9 + 3x + -4x = -20 + 4x + -4x

Combine like terms: 3x + -4x = -1x
9 + -1x = -20 + 4x + -4x

Combine like terms: 4x + -4x = 0
9 + -1x = -20 + 0
9 + -1x = -20

Add '-9' to each side of the equation.
9 + -9 + -1x = -20 + -9

Combine like terms: 9 + -9 = 0
0 + -1x = -20 + -9
-1x = -20 + -9

Combine like terms: -20 + -9 = -29
-1x = -29

Divide each side by '-1'.
x = 29

Simplifying
x = 29

See similar equations:

| 3x+3x=5x-8 | | 6(x-4)+2=8-(3x+9) | | 8(7-5p)+5=-139 | | 3/4*3= | | 8x+-7=3x+10 | | y+(y-2)=10 | | 9-4c-15=0 | | x^2+y^2-8=0 | | 40(b-1)+10=5(8b-6) | | 3a=-3.6a+4.6 | | 11u=27 | | 4y-9+y+59=7y+50-4y | | 25x^3=4x | | -102=2-8(x+5) | | 13x+2y=-3 | | 2(-1)+(3)1=1 | | 96y-33=21y | | 2(-1)+3y=1 | | 6(2+2n)=96 | | (d+5)+(d-11)+d=45 | | -17=-6x+25 | | 3x+4y-8=0 | | 8x+4x+3+8=6x+3+5x | | -6x-23=-137 | | 11x+3(2-x)=8x+6 | | 20=8ln(1.6)(1.6x) | | 4y-6+y+23=8y+20-6y | | 2n+4=-18-9b | | 3x-42=0 | | 8(x-5)=5x+12 | | 8(x+3)=16x-12 | | -4(6+3x)=-84 |

Equations solver categories