3x-x+7=15

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


Simplifying
3x + -1x + 7 = 15

Reorder the terms:
7 + 3x + -1x = 15

Combine like terms: 3x + -1x = 2x
7 + 2x = 15

Solving
7 + 2x = 15

Solving for variable 'x'.

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

Add '-7' to each side of the equation.
7 + -7 + 2x = 15 + -7

Combine like terms: 7 + -7 = 0
0 + 2x = 15 + -7
2x = 15 + -7

Combine like terms: 15 + -7 = 8
2x = 8

Divide each side by '2'.
x = 4

Simplifying
x = 4

See similar equations:

| y^2=14-5x | | (5+2)+n=7+N | | 10x-12x=16 | | 8x+5=10x+13 | | -2(n-5)-(3n-1)=-5+(2n-1) | | 13u-18u+u+-8=16 | | -7(6x-6)=295 | | 0.7(9x+7)=2.0-(x-3) | | 5+4-7=4x-2-x | | p-70=54 | | 17-2x(5-2)=13 | | 2(6)+7= | | 5y-4+5=180 | | 2(x-3)=.50(4x-12) | | 5y=179 | | 13-t+20-t=17 | | 3x-(x+31)+(1x)=-63 | | x-(-9x)=x+7 | | 2(X-8)-5(X+4)=-2(X+18) | | 4h=7+5h | | x-14(2x+5)=0 | | 5-(3+3x)-2(4-2x)=10-9(3x+2) | | x+2x+x+25=180 | | -3(-14)-8= | | -10-3m=-5m | | -4x-9=-6+1 | | a^2-b^2=25 | | -8-6z=10-9z | | (7x^2+2xy+y^7)dx+(x^2+y^6)dy=0 | | 80g+1=75g+2 | | 8n-7=9n | | 14-5x=x^2 |

Equations solver categories