3l+4=l+13

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Solution for 3l+4=l+13 equation:


Simplifying
3l + 4 = l + 13

Reorder the terms:
4 + 3l = l + 13

Reorder the terms:
4 + 3l = 13 + l

Solving
4 + 3l = 13 + l

Solving for variable 'l'.

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

Add '-1l' to each side of the equation.
4 + 3l + -1l = 13 + l + -1l

Combine like terms: 3l + -1l = 2l
4 + 2l = 13 + l + -1l

Combine like terms: l + -1l = 0
4 + 2l = 13 + 0
4 + 2l = 13

Add '-4' to each side of the equation.
4 + -4 + 2l = 13 + -4

Combine like terms: 4 + -4 = 0
0 + 2l = 13 + -4
2l = 13 + -4

Combine like terms: 13 + -4 = 9
2l = 9

Divide each side by '2'.
l = 4.5

Simplifying
l = 4.5

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