2j+4j+15=7j

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Solution for 2j+4j+15=7j equation:


Simplifying
2j + 4j + 15 = 7j

Reorder the terms:
15 + 2j + 4j = 7j

Combine like terms: 2j + 4j = 6j
15 + 6j = 7j

Solving
15 + 6j = 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.
15 + 6j + -7j = 7j + -7j

Combine like terms: 6j + -7j = -1j
15 + -1j = 7j + -7j

Combine like terms: 7j + -7j = 0
15 + -1j = 0

Add '-15' to each side of the equation.
15 + -15 + -1j = 0 + -15

Combine like terms: 15 + -15 = 0
0 + -1j = 0 + -15
-1j = 0 + -15

Combine like terms: 0 + -15 = -15
-1j = -15

Divide each side by '-1'.
j = 15

Simplifying
j = 15

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