3(i-3)-7(i+3)=4(2i-3)-8(2i+3)

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Solution for 3(i-3)-7(i+3)=4(2i-3)-8(2i+3) equation:


Simplifying
3(i + -3) + -7(i + 3) = 4(2i + -3) + -8(2i + 3)

Reorder the terms:
3(-3 + i) + -7(i + 3) = 4(2i + -3) + -8(2i + 3)
(-3 * 3 + i * 3) + -7(i + 3) = 4(2i + -3) + -8(2i + 3)
(-9 + 3i) + -7(i + 3) = 4(2i + -3) + -8(2i + 3)

Reorder the terms:
-9 + 3i + -7(3 + i) = 4(2i + -3) + -8(2i + 3)
-9 + 3i + (3 * -7 + i * -7) = 4(2i + -3) + -8(2i + 3)
-9 + 3i + (-21 + -7i) = 4(2i + -3) + -8(2i + 3)

Reorder the terms:
-9 + -21 + 3i + -7i = 4(2i + -3) + -8(2i + 3)

Combine like terms: -9 + -21 = -30
-30 + 3i + -7i = 4(2i + -3) + -8(2i + 3)

Combine like terms: 3i + -7i = -4i
-30 + -4i = 4(2i + -3) + -8(2i + 3)

Reorder the terms:
-30 + -4i = 4(-3 + 2i) + -8(2i + 3)
-30 + -4i = (-3 * 4 + 2i * 4) + -8(2i + 3)
-30 + -4i = (-12 + 8i) + -8(2i + 3)

Reorder the terms:
-30 + -4i = -12 + 8i + -8(3 + 2i)
-30 + -4i = -12 + 8i + (3 * -8 + 2i * -8)
-30 + -4i = -12 + 8i + (-24 + -16i)

Reorder the terms:
-30 + -4i = -12 + -24 + 8i + -16i

Combine like terms: -12 + -24 = -36
-30 + -4i = -36 + 8i + -16i

Combine like terms: 8i + -16i = -8i
-30 + -4i = -36 + -8i

Solving
-30 + -4i = -36 + -8i

Solving for variable 'i'.

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

Add '8i' to each side of the equation.
-30 + -4i + 8i = -36 + -8i + 8i

Combine like terms: -4i + 8i = 4i
-30 + 4i = -36 + -8i + 8i

Combine like terms: -8i + 8i = 0
-30 + 4i = -36 + 0
-30 + 4i = -36

Add '30' to each side of the equation.
-30 + 30 + 4i = -36 + 30

Combine like terms: -30 + 30 = 0
0 + 4i = -36 + 30
4i = -36 + 30

Combine like terms: -36 + 30 = -6
4i = -6

Divide each side by '4'.
i = -1.5

Simplifying
i = -1.5

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