458=2l+2(l-7)

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Solution for 458=2l+2(l-7) equation:


Simplifying
458 = 2l + 2(l + -7)

Reorder the terms:
458 = 2l + 2(-7 + l)
458 = 2l + (-7 * 2 + l * 2)
458 = 2l + (-14 + 2l)

Reorder the terms:
458 = -14 + 2l + 2l

Combine like terms: 2l + 2l = 4l
458 = -14 + 4l

Solving
458 = -14 + 4l

Solving for variable 'l'.

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

Add '-4l' to each side of the equation.
458 + -4l = -14 + 4l + -4l

Combine like terms: 4l + -4l = 0
458 + -4l = -14 + 0
458 + -4l = -14

Add '-458' to each side of the equation.
458 + -458 + -4l = -14 + -458

Combine like terms: 458 + -458 = 0
0 + -4l = -14 + -458
-4l = -14 + -458

Combine like terms: -14 + -458 = -472
-4l = -472

Divide each side by '-4'.
l = 118

Simplifying
l = 118

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