5x-(4x+9)=5x-21

Simple and best practice solution for 5x-(4x+9)=5x-21 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 5x-(4x+9)=5x-21 equation:


Simplifying
5x + -1(4x + 9) = 5x + -21

Reorder the terms:
5x + -1(9 + 4x) = 5x + -21
5x + (9 * -1 + 4x * -1) = 5x + -21
5x + (-9 + -4x) = 5x + -21

Reorder the terms:
-9 + 5x + -4x = 5x + -21

Combine like terms: 5x + -4x = 1x
-9 + 1x = 5x + -21

Reorder the terms:
-9 + 1x = -21 + 5x

Solving
-9 + 1x = -21 + 5x

Solving for variable 'x'.

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

Add '-5x' to each side of the equation.
-9 + 1x + -5x = -21 + 5x + -5x

Combine like terms: 1x + -5x = -4x
-9 + -4x = -21 + 5x + -5x

Combine like terms: 5x + -5x = 0
-9 + -4x = -21 + 0
-9 + -4x = -21

Add '9' to each side of the equation.
-9 + 9 + -4x = -21 + 9

Combine like terms: -9 + 9 = 0
0 + -4x = -21 + 9
-4x = -21 + 9

Combine like terms: -21 + 9 = -12
-4x = -12

Divide each side by '-4'.
x = 3

Simplifying
x = 3

See similar equations:

| 4.3x=63.43 | | 2[x-1(4+2x)+3]=2x+2 | | 8+2(x-3)=4(x-5)3(20-x) | | -5(3-r)+4=5r-11 | | 1/2b-2=1/4 | | 3-7x-1=5 | | x^2+2.6x+1.68=0 | | 6(10-x)=3(3x-5)9(2x-1) | | 18-7(3-x)=0 | | 3y+7=4x-7+9 | | 5(y-3)+2=4(2y+5) | | 13x+1=5(3+2x)+x | | -6(y+2)-3=15 | | z+18=32 | | 24-[5+6y-3(y+3)]=-4(5y-7)-[6(y-1)-16y+20] | | 9x+16=52 | | 2+3(12-x)=2(x-6)8(x+1)+1 | | 12(s+.66)=10.4 | | 5(x+y)-x+y=-4 | | 3(9-5t)-5(9-10t)=7 | | y-19=-2 | | 5(9+2x)=32-x | | q(x+2)=-x^2+4x+1 | | 2(b+83.33)=416.66 | | 12+3x=x^2 | | -5+4r=3 | | 2x+y+2x-5-y=0 | | 20x+15x^2+20=0 | | 2(x+y)-4(x+y)=8(x+2)-8(y+2) | | x=180-(2x-15) | | 8+3(x+4)=32-x | | X-(0.3X)=420 |

Equations solver categories