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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