2(2+j)=4(j+10)

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Solution for 2(2+j)=4(j+10) equation:


Simplifying
2(2 + j) = 4(j + 10)
(2 * 2 + j * 2) = 4(j + 10)
(4 + 2j) = 4(j + 10)

Reorder the terms:
4 + 2j = 4(10 + j)
4 + 2j = (10 * 4 + j * 4)
4 + 2j = (40 + 4j)

Solving
4 + 2j = 40 + 4j

Solving for variable 'j'.

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

Add '-4j' to each side of the equation.
4 + 2j + -4j = 40 + 4j + -4j

Combine like terms: 2j + -4j = -2j
4 + -2j = 40 + 4j + -4j

Combine like terms: 4j + -4j = 0
4 + -2j = 40 + 0
4 + -2j = 40

Add '-4' to each side of the equation.
4 + -4 + -2j = 40 + -4

Combine like terms: 4 + -4 = 0
0 + -2j = 40 + -4
-2j = 40 + -4

Combine like terms: 40 + -4 = 36
-2j = 36

Divide each side by '-2'.
j = -18

Simplifying
j = -18

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