30-7x=9

Simple and best practice solution for 30-7x=9 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 30-7x=9 equation: 


Simplifying
30 + -7x = 9

Solving
30 + -7x = 9

Solving for variable 'x'.

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

Add '-30' to each side of the equation.
30 + -30 + -7x = 9 + -30

Combine like terms: 30 + -30 = 0
0 + -7x = 9 + -30
-7x = 9 + -30

Combine like terms: 9 + -30 = -21
-7x = -21

Divide each side by '-7'.
x = 3

Simplifying
x = 3

See similar equations:

| -25+4(2x-5)=-61 | | 2m+3-m=1 | | 3t+8=32 | | 7x^2+1=-8 | | 14+3t=-16 | | y=-1+11x | | n-(n+2)=n-10 | | 7r^2+3=22r | | 6-19y+30=0 | | 2x-5=39 | | 23*x=13 | | x=13.66666667 | | 17.5d-11=2d+2 | | 3y+2=7 | | 4[3x-8]+16=2 | | 5(a+3)=60 | | 5x+15=3-6x | | Y=x^2-12*x+5 | | B+4-7=-3 | | x(y)=616 | | 7b^2+16b=-4 | | Z-3=z-2 | | 51/4+1/3= | | X+x+y=33 | | y^2+0= | | 2x(2y)=616 | | 1(2/3)x=7 | | 11-4=x | | 56-49/7+4= | | 5x+9=x-32 | | x=-5y-16 | | 2=x+16-6x |

Equations solver categories