(7x-1)+(5x-1)+4x=48

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Solution for (7x-1)+(5x-1)+4x=48 equation:


Simplifying
(7x + -1) + (5x + -1) + 4x = 48

Reorder the terms:
(-1 + 7x) + (5x + -1) + 4x = 48

Remove parenthesis around (-1 + 7x)
-1 + 7x + (5x + -1) + 4x = 48

Reorder the terms:
-1 + 7x + (-1 + 5x) + 4x = 48

Remove parenthesis around (-1 + 5x)
-1 + 7x + -1 + 5x + 4x = 48

Reorder the terms:
-1 + -1 + 7x + 5x + 4x = 48

Combine like terms: -1 + -1 = -2
-2 + 7x + 5x + 4x = 48

Combine like terms: 7x + 5x = 12x
-2 + 12x + 4x = 48

Combine like terms: 12x + 4x = 16x
-2 + 16x = 48

Solving
-2 + 16x = 48

Solving for variable 'x'.

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

Add '2' to each side of the equation.
-2 + 2 + 16x = 48 + 2

Combine like terms: -2 + 2 = 0
0 + 16x = 48 + 2
16x = 48 + 2

Combine like terms: 48 + 2 = 50
16x = 50

Divide each side by '16'.
x = 3.125

Simplifying
x = 3.125

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