7x+20=9x+30

Simple and best practice solution for 7x+20=9x+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+20=9x+30 equation:


Simplifying
7x + 20 = 9x + 30

Reorder the terms:
20 + 7x = 9x + 30

Reorder the terms:
20 + 7x = 30 + 9x

Solving
20 + 7x = 30 + 9x

Solving for variable 'x'.

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

Add '-9x' to each side of the equation.
20 + 7x + -9x = 30 + 9x + -9x

Combine like terms: 7x + -9x = -2x
20 + -2x = 30 + 9x + -9x

Combine like terms: 9x + -9x = 0
20 + -2x = 30 + 0
20 + -2x = 30

Add '-20' to each side of the equation.
20 + -20 + -2x = 30 + -20

Combine like terms: 20 + -20 = 0
0 + -2x = 30 + -20
-2x = 30 + -20

Combine like terms: 30 + -20 = 10
-2x = 10

Divide each side by '-2'.
x = -5

Simplifying
x = -5

See similar equations:

| 12r/s | | 2(3x-2)-5=2(x-4)+31 | | 36y^2-60y=-25 | | 2(-2.5+-8.5)-5(-5)=17 | | -6-2n=15 | | -6=6-8w+4w | | 3y-4x+9=0 | | (3x+1)+5=(3x+2) | | Y^2=5-4x | | 5/8(b-40)= | | x^2=-8x-1 | | y+(y+3)(-3)=y-3 | | 115-10d=55 | | y^2+27y-324=0 | | 5t^2+9t-15=0 | | Y=8x+4x-5x | | Y^4+27y^2-342=0 | | 7r+4s-(2r-6s)= | | 18y/60 | | -1/6t=6 | | 6x-5+2x=31 | | 12x-14+20x+34=12x-14 | | 15f=24-u | | 2.6x=9.88 | | x-5+35=90 | | -x-102=98+9x | | 6x+9=-6x+141 | | 2(v-8)-6=-2(-8v+5)-5v | | x+2y+x-2y=150 | | 12x+5=47+5x | | 20/25=7/x | | .4(x-1)-.6(2x-3)=-4.2 |

Equations solver categories