(90-z)/(90-80)=0.3

Simple and best practice solution for (90-z)/(90-80)=0.3 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 (90-z)/(90-80)=0.3 equation: 


z in (-oo:+oo)

(90-z)/(90-80) = 0.3 // - 0.3

(90-z)/(90-80)-0.3 = 0

(90-z)/10-0.3 = 0

(90-z)/10+(-0.3*10)/10 = 0

90-z-0.3*10 = 0

87-z = 0

(87-z)/10 = 0

(87-z)/10 = 0 // * 10

87-z = 0

87-z = 0 // - 87

-z = -87 // * -1

z = 87

z = 87

See similar equations:

| (90-z)/(90-80)=0.6 | | 2+3(b-9)=5-(b+3) | | 41/5-23/5 | | 2(a+4)-5a=23 | | 24=2Z-7X | | 2x+3(3)=9 | | 4x+9=9x-36 | | 2x+3(3)=3 | | 2x+89=6x+1 | | 17=10+x | | 3x-15/x^2-2x-15= | | 6q^2+5q+7=0 | | y-3=1/4(x-4) | | -5k-4/6=3k | | 0=-5x^2+250 | | (x+.0625x)=100 | | 50/x^2 | | 2xsquared-x+5=0 | | 650=4b | | 3(5k+10)=45k | | 16=1-p | | 6x+4(1)=-10 | | 4(6-5x)=8x+12 | | -99=-9p | | 0.6x+6=17 | | 8b-2b=36 | | 6x+5(x-2)=27 | | 3*x+7=5 | | 2a-16=4 | | 5-4x=9(x-3) | | 3(x+4)=4(x+8) | | 2Y=5x+40 |

Equations solver categories