7x-21=2x+10

Simple and best practice solution for 7x-21=2x+10 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-21=2x+10 equation:


Simplifying
7x + -21 = 2x + 10

Reorder the terms:
-21 + 7x = 2x + 10

Reorder the terms:
-21 + 7x = 10 + 2x

Solving
-21 + 7x = 10 + 2x

Solving for variable 'x'.

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

Add '-2x' to each side of the equation.
-21 + 7x + -2x = 10 + 2x + -2x

Combine like terms: 7x + -2x = 5x
-21 + 5x = 10 + 2x + -2x

Combine like terms: 2x + -2x = 0
-21 + 5x = 10 + 0
-21 + 5x = 10

Add '21' to each side of the equation.
-21 + 21 + 5x = 10 + 21

Combine like terms: -21 + 21 = 0
0 + 5x = 10 + 21
5x = 10 + 21

Combine like terms: 10 + 21 = 31
5x = 31

Divide each side by '5'.
x = 6.2

Simplifying
x = 6.2

See similar equations:

| 6a+15+9a+-3= | | 9=3y-18-5y | | X^3-2x=21 | | 40=s | | -9=3y-18-5y | | -9=3y-18-5 | | s=40 | | -3(n+6)+10= | | 6w-12=312 | | -6y-=3-6y | | v^2-5v+9=3 | | 22=15+x | | y^2+x^2+20y+24x=432 | | y=7+0.67x | | -8x+15=7x-15 | | 1.5(q-4)-2= | | 8x-5=3+5x | | 0.02(60)+0.04(x)=(0.03)(50+x) | | -4+n=-11 | | 19x-4=3x-68 | | 4(n-5)-(6-3n)=6n | | 4l+10=44 | | x^2-3x-2=-2 | | 4x-12=15+x | | 5x-8y+47=315 | | us+uv=k | | 14+5x=13x-50 | | 5x-8y=315 | | 0x+9(.8)=.45(x+5) | | 2(3.14)x-(3.14)x=-8 | | x^2+15x-13= | | 2x+9-8(x+1)=3x+6 |

Equations solver categories