7x-3+8x=42

Simple and best practice solution for 7x-3+8x=42 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 7x-3+8x=42 equation: 



7x-3+8x=42

We move all terms to the left:

7x-3+8x-(42)=0

We add all the numbers together, and all the variables

15x-45=0

We move all terms containing x to the left, all other terms to the right

15x=45

x=45/15

x=3

See similar equations:

| 2x/3-2/3=x/3+1/3 | | 4g-5/5=3 | | 2(x+1)=7(x+1) | | f/9+2=5 | | Y=(x+1)/x | | 4z/9+1=3 | | 5x+40=10x-1 | | 10x+40=10x+1 | | (3a+1)+(2a+5)=+27 | | 3x-9=5x-4+2+-3x | | -5(-7x-7)=105 | | 7a+7=3a+8 | | 5(x-3)+3x=31 | | 4(3x-3)-(5x+2)=2(5x-9) | | 2x(x–3)=x(2x+4)–80 | | -42/x+5=6*(-2)+3 | | n×3=139 | | n+18=139 | | n+9×2=139 | | n3=139 | | (n+9)+n3+(n+9×2)=139 | | n+9=139 | | (n+9)+(n×3)+(n+9×2)=139 | | n+9+n×3+n+9×2=139 | | (x/3)+(x+2)-2=(-1/3) | | 12x-6=(4x+3) | | x^2+(x+3)^2=144 | | 8x+12=4(2x-2) | | x^2+(x+3)^2=12^2 | | 7-14=3x-2 | | 10x+6=2(4x-2) | | 9x+12x=420 |

Equations solver categories