3L+3(L-7)=147

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Solution for 3L+3(L-7)=147 equation:


Simplifying
3L + 3(L + -7) = 147

Reorder the terms:
3L + 3(-7 + L) = 147
3L + (-7 * 3 + L * 3) = 147
3L + (-21 + 3L) = 147

Reorder the terms:
-21 + 3L + 3L = 147

Combine like terms: 3L + 3L = 6L
-21 + 6L = 147

Solving
-21 + 6L = 147

Solving for variable 'L'.

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

Add '21' to each side of the equation.
-21 + 21 + 6L = 147 + 21

Combine like terms: -21 + 21 = 0
0 + 6L = 147 + 21
6L = 147 + 21

Combine like terms: 147 + 21 = 168
6L = 168

Divide each side by '6'.
L = 28

Simplifying
L = 28

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