-5x+7=21

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


Simplifying
-5x + 7 = 21

Reorder the terms:
7 + -5x = 21

Solving
7 + -5x = 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 + -5x = 21 + -7

Combine like terms: 7 + -7 = 0
0 + -5x = 21 + -7
-5x = 21 + -7

Combine like terms: 21 + -7 = 14
-5x = 14

Divide each side by '-5'.
x = -2.8

Simplifying
x = -2.8

See similar equations:

| 41x=2747 | | (3x^3-3x^2+3x)+(9x^3+5x^2-14x)= | | -3x^2+58x+139=0 | | -8(-5w+4x-6)= | | 7m^2+8m+12=0 | | 72x=y | | 5(x+3)=8 | | 5x+2=4(x-2)+4 | | (3x-4)=(4x-27) | | 3x(y)=72 | | 3p-(p-5)=2p+8 | | 3xy=72 | | 4x^3-6x^2-7x+12=0 | | N=-78.54+0.04x | | 3y+7-y=5+2y+2 | | -3x^2+23x=0 | | 9e^2x=2 | | (4x-29)=(2x-3) | | 4m=2(m-4) | | 12m^2-5m-2= | | (3x-5)=(x+3) | | (6-5y)(1-6y)= | | (5x+9)=(8x-36) | | 10x+7= | | 13=7+z | | 3w*l=72 | | 8u+10= | | 3l*w=72 | | 5m-16=3m-4 | | 226=113-x | | -16=-2y | | 48=3u |

Equations solver categories