(3x-9)+x+(x+28)=148

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Solution for (3x-9)+x+(x+28)=148 equation:


Simplifying
(3x + -9) + x + (x + 28) = 148

Reorder the terms:
(-9 + 3x) + x + (x + 28) = 148

Remove parenthesis around (-9 + 3x)
-9 + 3x + x + (x + 28) = 148

Reorder the terms:
-9 + 3x + x + (28 + x) = 148

Remove parenthesis around (28 + x)
-9 + 3x + x + 28 + x = 148

Reorder the terms:
-9 + 28 + 3x + x + x = 148

Combine like terms: -9 + 28 = 19
19 + 3x + x + x = 148

Combine like terms: 3x + x = 4x
19 + 4x + x = 148

Combine like terms: 4x + x = 5x
19 + 5x = 148

Solving
19 + 5x = 148

Solving for variable 'x'.

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

Add '-19' to each side of the equation.
19 + -19 + 5x = 148 + -19

Combine like terms: 19 + -19 = 0
0 + 5x = 148 + -19
5x = 148 + -19

Combine like terms: 148 + -19 = 129
5x = 129

Divide each side by '5'.
x = 25.8

Simplifying
x = 25.8

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