2l+2(L-5)=90

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Solution for 2l+2(L-5)=90 equation: 


Simplifying
2l + 2(L + -5) = 90

Reorder the terms:
2l + 2(-5 + L) = 90
2l + (-5 * 2 + L * 2) = 90
2l + (-10 + 2L) = 90

Reorder the terms:
-10 + 2L + 2l = 90

Solving
-10 + 2L + 2l = 90

Solving for variable 'L'.

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

Add '10' to each side of the equation.
-10 + 2L + 10 + 2l = 90 + 10

Reorder the terms:
-10 + 10 + 2L + 2l = 90 + 10

Combine like terms: -10 + 10 = 0
0 + 2L + 2l = 90 + 10
2L + 2l = 90 + 10

Combine like terms: 90 + 10 = 100
2L + 2l = 100

Add '-2l' to each side of the equation.
2L + 2l + -2l = 100 + -2l

Combine like terms: 2l + -2l = 0
2L + 0 = 100 + -2l
2L = 100 + -2l

Divide each side by '2'.
L = 50 + -1l

Simplifying
L = 50 + -1l

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