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(-13-8)/2 = 0
(-(8+13))/2 = 0
-21/2 = 0
L <> R
| .05x=1250 | | -5x+9y=-36 | | (Y-3)-(y+9)=6y | | -8-13/2 | | 5x-9y=36 | | 8x+2y=-5 | | (2x)/(x^2-9)-1/(x-3) | | -4x+7(1+.5x)=9 | | 6p-20=-29+7p | | 3s-9=-7+s | | 3(-5)-2(-5)9=4 | | 72-v=163 | | 100-(63-9*6)= | | (63-9*6)= | | (1,1/2) | | 10(s-4)=103 | | 4+10x=-96 | | 9x=53-4(8.66666667-1.333333x) | | 36=(2+12+4b)c | | 8+7x-4=20 | | y=-9x^7-x^2+3 | | 9z-20=-28+8z | | 6x-4=-12+2x | | .80timesx=1550 | | -(4x+12)=x+5 | | .80timesx=995 | | .80timesx=825 | | -(-4)(2)= | | X-5/3=1-x/5 | | -(-4)(2)+3(-4)+2= | | .80timesx=675 | | 5w=-23 |