21x-7=5+15x

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


Simplifying
21x + -7 = 5 + 15x

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

Solving
-7 + 21x = 5 + 15x

Solving for variable 'x'.

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

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

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

Combine like terms: 15x + -15x = 0
-7 + 6x = 5 + 0
-7 + 6x = 5

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

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

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

Divide each side by '6'.
x = 2

Simplifying
x = 2

See similar equations:

| 24/3-2=x | | 24/3-2=x | | 7+8x-12=16x+2 | | 5x+6x=4x+32 | | 8n-10=62 | | 5t+4+2t-6t=5+3 | | 15sin^2(x)-2sin(x)=8 | | 64x^12+8y^9= | | 8x^21-125y^30= | | 487(36x-98)=30(27x-334) | | 0.25x+0.05(2-x)=0.10(13) | | 56t^2-41t-6=0 | | c=(5/9)(10-32) | | (x^2-25)(x^2-49)=0 | | 2x-8y=120 | | 30(3/5x-2/3)=30(1/2) | | 39=9x-6 | | (x-3)(9x+8)(x+7)(x-12)=0 | | y=412.5+-3.25x | | (x-3)(9x+8)(x+7)(z-12)=0 | | -11x+5=-94 | | 30-14/12 | | -6(2x-6)=-2(4+6x) | | m=1-0/0-1 | | 30(3/5-2/3)=30(1/2) | | (83+88+x)/3=77 | | x(x+3)=6x+4 | | 2(1+n)-5(-3n-7)=3n+7+2n+6 | | 83+88+x=77 | | 3q^2+14q-8=8q-8 | | 2(8-x)(x+3)=0 | | 14-(29+5)=-2q+9 |

Equations solver categories