(3+4i)-(-7-i)=

Simple and best practice solution for (3+4i)-(-7-i)= equation. Check how easy it is, and learn it for the future. Our solution is simple, and easy to understand, so don`t hesitate to use it as a solution of your homework.

If it's not what You are looking for type in the equation solver your own equation and let us solve it.

Solution for (3+4i)-(-7-i)= equation:


Simplifying
(3 + 4i) + -1(-7 + -1i) = 0

Remove parenthesis around (3 + 4i)
3 + 4i + -1(-7 + -1i) = 0
3 + 4i + (-7 * -1 + -1i * -1) = 0
3 + 4i + (7 + 1i) = 0

Reorder the terms:
3 + 7 + 4i + 1i = 0

Combine like terms: 3 + 7 = 10
10 + 4i + 1i = 0

Combine like terms: 4i + 1i = 5i
10 + 5i = 0

Solving
10 + 5i = 0

Solving for variable 'i'.

Move all terms containing i to the left, all other terms to the right.

Add '-10' to each side of the equation.
10 + -10 + 5i = 0 + -10

Combine like terms: 10 + -10 = 0
0 + 5i = 0 + -10
5i = 0 + -10

Combine like terms: 0 + -10 = -10
5i = -10

Divide each side by '5'.
i = -2

Simplifying
i = -2

See similar equations:

| x/4-x/8+5=x+5 | | 12n+30(15.5n)=1440 | | 7x-(4x+6)=6x-48 | | 576=-16t^2+32t+560 | | 8(x-3)+8=5-22 | | 12n+30(15n)=1440 | | 6(2x-3)=3(4x-3) | | 12n+30(16n)=1440 | | 258=2.90(x+29)+.80x | | 12n+30(216n)=1440 | | 12n+30(17n)=1440 | | 7t+3=t+9/3 | | 8(x-3)=93 | | 12n+30(18n)=1440 | | 0=X^3+3x^2-9X-27 | | X-7.9=4.7 | | 12n+30(19n)=1440 | | 16x+22+134=180 | | 11x+5/2 | | 12n+30(23n)=1440 | | 6(2x-3)=3(4x+3) | | 12n+30(22n)=1440 | | 12n+30(21n)=1440 | | 2k+8-k=-3 | | 19y=2(9y-5) | | x+1.08125=16.21 | | 12-7w=12-7*1 | | 6(y-2)-8=-5(-2y+2)-8y | | 12n+30(20n)=1440 | | 3x*8y=20 | | 3y+2-4=12 | | 12y-6+4y-5= |

Equations solver categories