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21;6
81;18
e^(2*sin(x))
y-((1/268)*z)+11.1157;y-(1.47528*z)+73.4998
10;3
| -7-(2x+9)=11x-5(1-x) | | 2(4+3)=10x-2 | | 2/5(3-2x) | | 7(y-4)/4=-2y | | 3-14r+8r^2=0 | | 100[0.05(y+5)]= | | -(1+7s)-6(-7-s)=36 | | 10x-20=8x+40 | | 42=3/2x | | 15x=4.5 | | 5y+4=4 | | 5x-5=3x-15 | | 2(3x+1)=9x-34 | | -3a^2+5a-2=0 | | x+0.2x=3370 | | 7p-7=7p | | 31x=-6(185+4x) | | (-3x)10=(5x)*-8 | | 2.5(x+6)+1.5x=-8 | | (-3x)10=(5x)-8 | | R=p/i^2 | | 8x=65+1 | | -4a+8+6a=3a-5a | | 2x1/3=6x_9/5 | | 13-3x+15=16 | | -2(5-3m+n)= | | (6)(8)=3y | | 49/0.14= | | 2y(n+2)-3y(n+1)-2y(n)=6n+1 | | 4*2=2n | | 4x(4x-7)= | | =12x*12x |