3l(-2)+4l+21(3)-5l=

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Solution for 3l(-2)+4l+21(3)-5l= equation:


Simplifying
3l(-2) + 4l + 21(3) + -5l = 0

Reorder the terms for easier multiplication:
3 * -2l + 4l + 21(3) + -5l = 0

Multiply 3 * -2
-6l + 4l + 21(3) + -5l = 0

Multiply 21 * 3
-6l + 4l + 63 + -5l = 0

Reorder the terms:
63 + -6l + 4l + -5l = 0

Combine like terms: -6l + 4l = -2l
63 + -2l + -5l = 0

Combine like terms: -2l + -5l = -7l
63 + -7l = 0

Solving
63 + -7l = 0

Solving for variable 'l'.

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

Add '-63' to each side of the equation.
63 + -63 + -7l = 0 + -63

Combine like terms: 63 + -63 = 0
0 + -7l = 0 + -63
-7l = 0 + -63

Combine like terms: 0 + -63 = -63
-7l = -63

Divide each side by '-7'.
l = 9

Simplifying
l = 9

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