7j+2(j+9)=45

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Solution for 7j+2(j+9)=45 equation:


Simplifying
7j + 2(j + 9) = 45

Reorder the terms:
7j + 2(9 + j) = 45
7j + (9 * 2 + j * 2) = 45
7j + (18 + 2j) = 45

Reorder the terms:
18 + 7j + 2j = 45

Combine like terms: 7j + 2j = 9j
18 + 9j = 45

Solving
18 + 9j = 45

Solving for variable 'j'.

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

Add '-18' to each side of the equation.
18 + -18 + 9j = 45 + -18

Combine like terms: 18 + -18 = 0
0 + 9j = 45 + -18
9j = 45 + -18

Combine like terms: 45 + -18 = 27
9j = 27

Divide each side by '9'.
j = 3

Simplifying
j = 3

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