3(x-7)=15+x

Simple and best practice solution for 3(x-7)=15+x 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 3(x-7)=15+x equation:


Simplifying
3(x + -7) = 15 + x

Reorder the terms:
3(-7 + x) = 15 + x
(-7 * 3 + x * 3) = 15 + x
(-21 + 3x) = 15 + x

Solving
-21 + 3x = 15 + x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
-21 + 3x + -1x = 15 + x + -1x

Combine like terms: 3x + -1x = 2x
-21 + 2x = 15 + x + -1x

Combine like terms: x + -1x = 0
-21 + 2x = 15 + 0
-21 + 2x = 15

Add '21' to each side of the equation.
-21 + 21 + 2x = 15 + 21

Combine like terms: -21 + 21 = 0
0 + 2x = 15 + 21
2x = 15 + 21

Combine like terms: 15 + 21 = 36
2x = 36

Divide each side by '2'.
x = 18

Simplifying
x = 18

See similar equations:

| 12g-23+g= | | 7g=6(2g-5) | | 30=20X | | 11(x-7200)=10(x-6000) | | 7g=(2g-5) | | 20x^2-47x+34=0 | | (x+9)(x-6)= | | -4k-8k-3=-3-5k | | 1.025x+2.4583=7.583 | | 3(2x+11)=45 | | 4(x-5)+3=3 | | ln(x+6)-ln(x-3)=5 | | 4m-5n=9 | | 88-4x=32x+20 | | 2x+1-x=2 | | 15a+5a+3=37 | | 2x-1=3x+4 | | 8x+5-2x=41 | | 1=r-7+3r | | 2+5(-7x+5)=-183 | | 53*16= | | a=9m-14 | | (1/5)(3x+5)=7x | | -4x+8=-2+12 | | 8-2d+d=12 | | 3.5=12d-5d | | 129-2x=6x+17 | | (1/5)(3+5)=7x | | 2=5g-4 | | 2x^2-15x-8= | | 4x^2+5x-125=0 | | 1-1=d |

Equations solver categories