(3x+28)+(8x+12)=90

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Solution for (3x+28)+(8x+12)=90 equation:


Simplifying
(3x + 28) + (8x + 12) = 90

Reorder the terms:
(28 + 3x) + (8x + 12) = 90

Remove parenthesis around (28 + 3x)
28 + 3x + (8x + 12) = 90

Reorder the terms:
28 + 3x + (12 + 8x) = 90

Remove parenthesis around (12 + 8x)
28 + 3x + 12 + 8x = 90

Reorder the terms:
28 + 12 + 3x + 8x = 90

Combine like terms: 28 + 12 = 40
40 + 3x + 8x = 90

Combine like terms: 3x + 8x = 11x
40 + 11x = 90

Solving
40 + 11x = 90

Solving for variable 'x'.

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

Add '-40' to each side of the equation.
40 + -40 + 11x = 90 + -40

Combine like terms: 40 + -40 = 0
0 + 11x = 90 + -40
11x = 90 + -40

Combine like terms: 90 + -40 = 50
11x = 50

Divide each side by '11'.
x = 4.545454545

Simplifying
x = 4.545454545

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