21x-5=5(4x+4)-15

Simple and best practice solution for 21x-5=5(4x+4)-15 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 21x-5=5(4x+4)-15 equation:


Simplifying
21x + -5 = 5(4x + 4) + -15

Reorder the terms:
-5 + 21x = 5(4x + 4) + -15

Reorder the terms:
-5 + 21x = 5(4 + 4x) + -15
-5 + 21x = (4 * 5 + 4x * 5) + -15
-5 + 21x = (20 + 20x) + -15

Reorder the terms:
-5 + 21x = 20 + -15 + 20x

Combine like terms: 20 + -15 = 5
-5 + 21x = 5 + 20x

Solving
-5 + 21x = 5 + 20x

Solving for variable 'x'.

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

Add '-20x' to each side of the equation.
-5 + 21x + -20x = 5 + 20x + -20x

Combine like terms: 21x + -20x = 1x
-5 + 1x = 5 + 20x + -20x

Combine like terms: 20x + -20x = 0
-5 + 1x = 5 + 0
-5 + 1x = 5

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

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

Combine like terms: 5 + 5 = 10
1x = 10

Divide each side by '1'.
x = 10

Simplifying
x = 10

See similar equations:

| 4(x+3)-7=-5(x-1)+9 | | 500=100x-.5x^2-40x+500 | | 9(1-4a)=-24 | | 5x^2(x-2)=3x | | 3u-4=-25 | | 2n-19=19 | | 2+(7+y)=10 | | 17+3u=-16 | | 11-2x=-7+11 | | 7x+174=5x+184 | | 17+2u=-16 | | r^4+3r^2+r=0 | | (x+6)+5=13 | | -7+1r=11 | | 13-1c=-4 | | 4z^5=128 | | x+x+x+3x+3x=9 | | -6(x+1)-18=11+7 | | -20-5g=10 | | -7-x=-15 | | 2g-20=10 | | x^3-2x^2-4x-1=0 | | 80p-4p^2=20p+150 | | 2(a+13)-7=7 | | 35(x-71)=x+97 | | -20=4+2g | | (2x-3)+(6x+7)=180 | | (3a)(b+a-2d)= | | 2cos(6x)=1 | | G-20=4-g | | 2[3x-1]+2[4x+5]=8 | | -7(9-3b)=30 |

Equations solver categories