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Simplifying (7 + 9i) = (-5i) Remove parenthesis around (7 + 9i) 7 + 9i = (-5i) Solving 7 + 9i = (-5i) Solving for variable 'i'. Move all terms containing i to the left, all other terms to the right. Add '(5i)' to each side of the equation. 7 + 9i + (5i) = (-5i) + (5i) Combine like terms: 9i + (5i) = 14i 7 + 14i = (-5i) + (5i) Combine like terms: (-5i) + (5i) = 0 7 + 14i = 0 Add '-7' to each side of the equation. 7 + -7 + 14i = 0 + -7 Combine like terms: 7 + -7 = 0 0 + 14i = 0 + -7 14i = 0 + -7 Combine like terms: 0 + -7 = -7 14i = -7 Divide each side by '14'. i = -0.5 Simplifying i = -0.5
| 70=6(-2+2z) | | 7x+7=x^2 | | 5[4x-5(6x+y)]= | | 2(3x-5)(7x+4)=0 | | 5d+d-2d+8-2d=0 | | 18/3x+14/7x | | 3(2y-5)=5 | | -50+x=22 | | 3/18=t/6 | | 3x-4(2-x)=5x+2 | | 30/125=n/100 | | 6(-8.6+4)=3x-2 | | -8(x-2)= | | 4x-5=32 | | 6x^6+10x^2+16x/16x^3 | | 9/180=n/60 | | 9/180=n/100 | | 3(1)+1=8(1)-4 | | t/5=3/5 | | (4v^2-100)/(v^2+2v-15) | | 6(n-5)= | | F(x)=5-2z-z^2 | | x/5=2/10 | | -2z-2=33 | | 33/22=24/16 | | 4/5=7/8 | | -10(-8t-6-8c)= | | (8x-1)(x+7)=9 | | 6z-12+z+8=31 | | 6/10=12/20 | | 13*x-119=6*x-7 | | 200+.05x=75.00+.10x |