3x-5x+7=-21

Simple and best practice solution for 3x-5x+7=-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 3x-5x+7=-21 equation:


Simplifying
3x + -5x + 7 = -21

Reorder the terms:
7 + 3x + -5x = -21

Combine like terms: 3x + -5x = -2x
7 + -2x = -21

Solving
7 + -2x = -21

Solving for variable 'x'.

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

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 = -28
-2x = -28

Divide each side by '-2'.
x = 14

Simplifying
x = 14

See similar equations:

| 4(x-3)-1=3x | | 4n+2=6n+8 | | 7=-11+3(y+5) | | 3y=-5x+6 | | m^2+mn-6n^2=0 | | 3x+4xy-(4x-xy+xyz)= | | 19=-2p+23 | | 0=14x+28 | | 6(4-w)=2w | | 5x-3=3(x+6) | | 3/2=18÷x | | 6a-5b=1 | | X^2+3x-12+-6=0 | | 3x+4-9-4x=12 | | v=4/3*3.14*(21)3 | | 4x=2(48-4) | | h/6-1= | | x(4x-6)=(4x+7)(x-5) | | 5X1/14 | | 2x+x-24=90 | | X-1=4x-22 | | 4x=2(48-3) | | 15x-3x+2(x+4)=48 | | z^2+3z=-1 | | 13-4t+5t=-5-2 | | 11/4y-3/12y=10 | | (13+a)+14= | | 7x+3x-2=-3(-11-x) | | 3k+6=9 | | 2x+11x+5=8 | | 11=5x^2 | | 3(3k+5)-13k+6+4= |

Equations solver categories