42=-7(j+4)

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Solution for 42=-7(j+4) equation:


Simplifying
42 = -7(j + 4)

Reorder the terms:
42 = -7(4 + j)
42 = (4 * -7 + j * -7)
42 = (-28 + -7j)

Solving
42 = -28 + -7j

Solving for variable 'j'.

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

Add '7j' to each side of the equation.
42 + 7j = -28 + -7j + 7j

Combine like terms: -7j + 7j = 0
42 + 7j = -28 + 0
42 + 7j = -28

Add '-42' to each side of the equation.
42 + -42 + 7j = -28 + -42

Combine like terms: 42 + -42 = 0
0 + 7j = -28 + -42
7j = -28 + -42

Combine like terms: -28 + -42 = -70
7j = -70

Divide each side by '7'.
j = -10

Simplifying
j = -10

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