5x+7=7x+21

Simple and best practice solution for 5x+7=7x+21 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 5x+7=7x+21 equation:


Simplifying
5x + 7 = 7x + 21

Reorder the terms:
7 + 5x = 7x + 21

Reorder the terms:
7 + 5x = 21 + 7x

Solving
7 + 5x = 21 + 7x

Solving for variable 'x'.

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

Add '-7x' to each side of the equation.
7 + 5x + -7x = 21 + 7x + -7x

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

Combine like terms: 7x + -7x = 0
7 + -2x = 21 + 0
7 + -2x = 21

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

Combine like terms: 7 + -7 = 0
0 + -2x = 21 + -7
-2x = 21 + -7

Combine like terms: 21 + -7 = 14
-2x = 14

Divide each side by '-2'.
x = -7

Simplifying
x = -7

See similar equations:

| 24=120/x | | (y^2-4y+1)-(x^2-4x+1)=1+1-1 | | 25b^2-625=0 | | 4(x-3)-2x=5x-1:2 | | r-35=75 | | -2.05=8.65+-h | | 250(298)=x(368) | | 2x+30=6x | | 68=r(17) | | t+14=53 | | 380(x)=250(218) | | 26=11+b+12 | | 58x-4.8=14 | | 58x-4.8=14 | | 93=3x | | 7x-67=2x-12 | | 3.8(318)=x(228) | | 145x=145 | | 286-7x=38x+21 | | 12/x=-3 | | a=1/2(20)(38) | | s+16=8 | | 13-10x=133-31x | | p=2(44)+2(128) | | 500(x)=300(300) | | 2x-5=15+8 | | X-(13X-X)3=(X+2)6 | | y-17=-30 | | 2.5(298)=x(323) | | 5a=625 | | 3/(r+1)+2/3r | | 26=b+33 |

Equations solver categories