2L+2(L-7)=90

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Solution for 2L+2(L-7)=90 equation:


Simplifying
2L + 2(L + -7) = 90

Reorder the terms:
2L + 2(-7 + L) = 90
2L + (-7 * 2 + L * 2) = 90
2L + (-14 + 2L) = 90

Reorder the terms:
-14 + 2L + 2L = 90

Combine like terms: 2L + 2L = 4L
-14 + 4L = 90

Solving
-14 + 4L = 90

Solving for variable 'L'.

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

Add '14' to each side of the equation.
-14 + 14 + 4L = 90 + 14

Combine like terms: -14 + 14 = 0
0 + 4L = 90 + 14
4L = 90 + 14

Combine like terms: 90 + 14 = 104
4L = 104

Divide each side by '4'.
L = 26

Simplifying
L = 26

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