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y in (-oo:+oo)
(5/8)*y > -15 // + 15
(5/8)*y+15 > 0
5/8*y+15 > 0 // - 15
5/8*y > -15 // : 5/8
y > -15/5/8
y > -24
y in (-24:+oo)
(-24:+oo)
| 5x+25=3(x+5) | | -5/2x-10 | | 19x-20y=1 | | 3x-7-5=3 | | 2x+3-(9x+8)= | | 20log(1/4*3.14) | | 4(18x-4+3)=340 | | 2x+3-9x-8= | | .333(7x)=43 | | 1/3•36 | | (.25)x-42=6 | | 50a+80b= | | 6x+7-2x-7= | | 36•1/3 | | 7+6+3(5x)=240 | | x*.7=4504883.5 | | x*.7=10347419.06 | | 3x+-4=2x+5 | | 18(18q+9)= | | .5x+.6=-2+.75 | | y=25x-5x*2 | | -2a-63=47 | | 6x(x-3)=3x+9 | | 0=-2x^2+16x-32 | | H=-16t^2+34t+42 | | 4x-9+8=42 | | 3x+4-5=38 | | 3×/4=30 | | X^2+7=39 | | 9u-24=6(u-2) | | https://media.education2020.com/EVresources/3111-01-04-20-02-task/es002-1.jpg | | X^2-4=30 |