7z-13=-20

Simple and best practice solution for 7z-13=-20 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 7z-13=-20 equation: 


Simplifying
7z + -13 = -20

Reorder the terms:
-13 + 7z = -20

Solving
-13 + 7z = -20

Solving for variable 'z'.

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

Add '13' to each side of the equation.
-13 + 13 + 7z = -20 + 13

Combine like terms: -13 + 13 = 0
0 + 7z = -20 + 13
7z = -20 + 13

Combine like terms: -20 + 13 = -7
7z = -7

Divide each side by '7'.
z = -1

Simplifying
z = -1

See similar equations:

| 4x+7=4+2x+15 | | 2x+3y-184=0 | | x+2=7.5x | | X+2y+6=2 | | x+8+6x=43 | | -4=9y+4 | | X+(x+10)+(2x+6)=180 | | 7b+4=67 | | 9(n-2)+4=31 | | x=4/5? | | 0.0003x^2+2x+500=0 | | 7x-3+3=7x | | 88=8(f+3) | | 2x+4.87xy+25y+32y-19x+9.88= | | -5n^2+30n-45=10 | | (x+1)(3x+5)=2x-(7-3x^2) | | 6+13t+13n-4t-2n-13= | | (x+1)(3x+5)=2x-(7-3x) | | [2(x-4)][2(x-4)]=26 | | 1/5x-2x= | | 3x+2y+4z=1 | | y=6-6x-3 | | 1/5x-2x=? | | 3in(x)+2in(4)=in(128) | | 8-1.25c=2 | | t^2x^2-t(t-4)x+(t-2)=0 | | 2(x+1)=2+x | | f(x)=6x^4+5x^3-6x^2-3x+2 | | 0.10(y-2)+0.08=0.02y-0.6 | | 5(5)-10=16 | | -7x-10y=-7 | | 0.06(y-7)+0.20y=0.08y-2.1 |

Equations solver categories