1l+21=-1l+87

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Solution for 1l+21=-1l+87 equation:


Simplifying
1l + 21 = -1l + 87

Reorder the terms:
21 + 1l = -1l + 87

Reorder the terms:
21 + 1l = 87 + -1l

Solving
21 + 1l = 87 + -1l

Solving for variable 'l'.

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

Add 'l' to each side of the equation.
21 + 1l + l = 87 + -1l + l

Combine like terms: 1l + l = 2l
21 + 2l = 87 + -1l + l

Combine like terms: -1l + l = 0
21 + 2l = 87 + 0
21 + 2l = 87

Add '-21' to each side of the equation.
21 + -21 + 2l = 87 + -21

Combine like terms: 21 + -21 = 0
0 + 2l = 87 + -21
2l = 87 + -21

Combine like terms: 87 + -21 = 66
2l = 66

Divide each side by '2'.
l = 33

Simplifying
l = 33

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