3(4x+40)+3(3x)=360

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Solution for 3(4x+40)+3(3x)=360 equation:


Simplifying
3(4x + 40) + 3(3x) = 360

Reorder the terms:
3(40 + 4x) + 3(3x) = 360
(40 * 3 + 4x * 3) + 3(3x) = 360
(120 + 12x) + 3(3x) = 360

Remove parenthesis around (3x)
120 + 12x + 3 * 3x = 360

Multiply 3 * 3
120 + 12x + 9x = 360

Combine like terms: 12x + 9x = 21x
120 + 21x = 360

Solving
120 + 21x = 360

Solving for variable 'x'.

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

Add '-120' to each side of the equation.
120 + -120 + 21x = 360 + -120

Combine like terms: 120 + -120 = 0
0 + 21x = 360 + -120
21x = 360 + -120

Combine like terms: 360 + -120 = 240
21x = 240

Divide each side by '21'.
x = 11.42857143

Simplifying
x = 11.42857143

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