4[5l+7]=66

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Solution for 4[5l+7]=66 equation:


Simplifying
4[5l + 7] = 66

Reorder the terms:
4[7 + 5l] = 66
[7 * 4 + 5l * 4] = 66
[28 + 20l] = 66

Solving
28 + 20l = 66

Solving for variable 'l'.

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

Add '-28' to each side of the equation.
28 + -28 + 20l = 66 + -28

Combine like terms: 28 + -28 = 0
0 + 20l = 66 + -28
20l = 66 + -28

Combine like terms: 66 + -28 = 38
20l = 38

Divide each side by '20'.
l = 1.9

Simplifying
l = 1.9

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