7x+9=30

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


Simplifying
7x + 9 = 30

Reorder the terms:
9 + 7x = 30

Solving
9 + 7x = 30

Solving for variable 'x'.

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

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

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

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

Divide each side by '7'.
x = 3

Simplifying
x = 3

See similar equations:

| 2z+5-3p= | | 7x+7=63 | | 5x+3=32 | | 4p+6y-5x+2-5y-8+7= | | 3x+7= | | 3x+8=38 | | k^2=-4k-4 | | -5y-11=-1 | | 3x+10=41 | | 5x+4=54 | | 3x+4=26 | | -4n+8=28 | | 7v^2-42=-35v | | 9x+9=90 | | 3x+3=24 | | n^2=-18-9n | | 8x+4=52 | | 4x+2x-1=10 | | 12q+10-3q=15q-2 | | 2w+5-8w=7-4w | | 5(z-2)=3(z-8) | | 3f-4-5f=f+4+f | | Y=x^5-4x^3+2x | | X^2+14x+64=0 | | 8=8v-4(v+4) | | 4n=3n+25 | | m^2x-3m^2=12m^2 | | x^2+xy-y^3=xy^2 | | 1=11x^2+2x | | x^2+xy-y^3=xy | | (8x^4+5x^3-6)-(3x^2-2x+3)= | | 2x^2+3x=2 |

Equations solver categories