3(x-20)+4x=486

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Solution for 3(x-20)+4x=486 equation:


Simplifying
3(x + -20) + 4x = 486

Reorder the terms:
3(-20 + x) + 4x = 486
(-20 * 3 + x * 3) + 4x = 486
(-60 + 3x) + 4x = 486

Combine like terms: 3x + 4x = 7x
-60 + 7x = 486

Solving
-60 + 7x = 486

Solving for variable 'x'.

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

Add '60' to each side of the equation.
-60 + 60 + 7x = 486 + 60

Combine like terms: -60 + 60 = 0
0 + 7x = 486 + 60
7x = 486 + 60

Combine like terms: 486 + 60 = 546
7x = 546

Divide each side by '7'.
x = 78

Simplifying
x = 78

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