5[3x-1]=7

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Solution for 5[3x-1]=7 equation: 


Simplifying
5[3x + -1] = 7

Reorder the terms:
5[-1 + 3x] = 7
[-1 * 5 + 3x * 5] = 7
[-5 + 15x] = 7

Solving
-5 + 15x = 7

Solving for variable 'x'.

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

Add '5' to each side of the equation.
-5 + 5 + 15x = 7 + 5

Combine like terms: -5 + 5 = 0
0 + 15x = 7 + 5
15x = 7 + 5

Combine like terms: 7 + 5 = 12
15x = 12

Divide each side by '15'.
x = 0.8

Simplifying
x = 0.8

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