15x+5=21x-7

Simple and best practice solution for 15x+5=21x-7 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 15x+5=21x-7 equation:


Simplifying
15x + 5 = 21x + -7

Reorder the terms:
5 + 15x = 21x + -7

Reorder the terms:
5 + 15x = -7 + 21x

Solving
5 + 15x = -7 + 21x

Solving for variable 'x'.

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

Add '-21x' to each side of the equation.
5 + 15x + -21x = -7 + 21x + -21x

Combine like terms: 15x + -21x = -6x
5 + -6x = -7 + 21x + -21x

Combine like terms: 21x + -21x = 0
5 + -6x = -7 + 0
5 + -6x = -7

Add '-5' to each side of the equation.
5 + -5 + -6x = -7 + -5

Combine like terms: 5 + -5 = 0
0 + -6x = -7 + -5
-6x = -7 + -5

Combine like terms: -7 + -5 = -12
-6x = -12

Divide each side by '-6'.
x = 2

Simplifying
x = 2

See similar equations:

| 22=-15x | | 8b+111-3b=2b+2 | | 9(13m+6)= | | 2.72=-0.2d+13.8 | | x/100=70/80 | | -15/7.4 | | x^2-6x-4y-15=0 | | 2(2w-2)+2w=11 | | 3-1.5y=5.4-2.7y | | .07p+4.6=7.3+-0.2p | | sec^2x=4tanx-2 | | 16x+8y=34 | | 3-5x=30-2x | | 17(15q+17)= | | 3-1.5=5.4-2.7 | | 76=-5s+81 | | 2x+16-x=9+5x-5 | | 58x+5y=254 | | 7+4+8+2+8= | | 60+45x=57.95x | | 3x+18=-5x-10 | | 0=8x(2lnx) | | 3x+18=5x-10 | | 225/(-3)(-5) | | 9x-1/2=31 | | 1r+9=4 | | 11=h | | x-45=157 | | 8(1+x)-8=7(x+2) | | XSquared-9x+18=0 | | 2-2.9h=8.3-3.8h | | 10=10h |

Equations solver categories