-2x-21=-4x+7

Simple and best practice solution for -2x-21=-4x+7 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 -2x-21=-4x+7 equation:


Simplifying
-2x + -21 = -4x + 7

Reorder the terms:
-21 + -2x = -4x + 7

Reorder the terms:
-21 + -2x = 7 + -4x

Solving
-21 + -2x = 7 + -4x

Solving for variable 'x'.

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

Add '4x' to each side of the equation.
-21 + -2x + 4x = 7 + -4x + 4x

Combine like terms: -2x + 4x = 2x
-21 + 2x = 7 + -4x + 4x

Combine like terms: -4x + 4x = 0
-21 + 2x = 7 + 0
-21 + 2x = 7

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

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

Combine like terms: 7 + 21 = 28
2x = 28

Divide each side by '2'.
x = 14

Simplifying
x = 14

See similar equations:

| 3x^2=9x^2-72+144 | | 7=2+5(x-2) | | 3(x+-4)=3x+-12 | | 3x+112=6x+238 | | 5(n-8)=5n-46 | | 4(4-w)=3(3w+2) | | 0.83x-2+0.3x=0.3x+0.125 | | 2x^2-26x+48=0 | | 50-t/5 | | 9c^2+-4c^2+2c^2= | | 9a+5b-2a-8b= | | -3w=-5 | | 4(x-2)=-4+48 | | p-17=18 | | 3(x-1)-3=5x-2(5+x) | | w/-3÷-5 | | -(n)=-19 | | -n=-19 | | 9p-8=24p-53 | | 22x-3x-14=14+17 | | 1/185,000,000 | | X+1.076923077=0.923076923x | | 0.45-5.97= | | 2=9+a | | 2/3x-6=-18 | | 0.4=x+10 | | -9(7q)=0 | | 4y+12=2x | | (3-y)/(1)*(y) | | x+7=6x+9 | | N+-6=4 | | (q-8)*4=8 |

Equations solver categories