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Simplifying (3 + -1(7i)) + ((-1) + -1(2i)) = 0 Remove parenthesis around (7i) (3 + -1 * 7i) + ((-1) + -1(2i)) = 0 Multiply -1 * 7 (3 + -7i) + ((-1) + -1(2i)) = 0 Remove parenthesis around (3 + -7i) 3 + -7i + ((-1) + -1(2i)) = 0 3 + -7i + (-1 + -1(2i)) = 0 Remove parenthesis around (2i) 3 + -7i + (-1 + -1 * 2i) = 0 Multiply -1 * 2 3 + -7i + (-1 + -2i) = 0 Remove parenthesis around (-1 + -2i) 3 + -7i + -1 + -2i = 0 Reorder the terms: 3 + -1 + -7i + -2i = 0 Combine like terms: 3 + -1 = 2 2 + -7i + -2i = 0 Combine like terms: -7i + -2i = -9i 2 + -9i = 0 Solving 2 + -9i = 0 Solving for variable 'i'. Move all terms containing i to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + -9i = 0 + -2 Combine like terms: 2 + -2 = 0 0 + -9i = 0 + -2 -9i = 0 + -2 Combine like terms: 0 + -2 = -2 -9i = -2 Divide each side by '-9'. i = 0.2222222222 Simplifying i = 0.2222222222
| 12x-15=4x+5 | | 5x^4-245=0 | | -3x+4(2x-1)=-19 | | 4x+8=x+11 | | 4x+3.5= | | Y+6=4(x+2) | | 7x-9=4(x+6) | | 0.09xX=65.00 | | 4.8x-2= | | 0.5r+1.5r+2=.25r+6 | | 13-m=-6 | | 3.00hr=cents | | F(x)=2x*-5x+1 | | x+39+121=180 | | 16+8h= | | t^4+2t^2-3=0 | | 2(u+1)5u=3(u+1)-2 | | 0.5+1.5+2=.25+6 | | -2(L-3)=-8 | | 7-.02=x | | 5x-6=6+5x | | 3x^2+13x-4=-10+2x | | X/10-20=-20 | | ln(7/2 | | -7(k+9)=9(k-5)-14l | | x-.02=m | | 6+24=-16 | | x-.02= | | 3k^2=-12k-12 | | c-11/14-21/2 | | 16t^2-96t-140=0 | | x+53+31=180 |