3(x)2-8=7

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Solution for 3(x)2-8=7 equation: 


Simplifying
3(x) * 2 + -8 = 7

Reorder the terms for easier multiplication:
3 * 2x + -8 = 7

Multiply 3 * 2
6x + -8 = 7

Reorder the terms:
-8 + 6x = 7

Solving
-8 + 6x = 7

Solving for variable 'x'.

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

Add '8' to each side of the equation.
-8 + 8 + 6x = 7 + 8

Combine like terms: -8 + 8 = 0
0 + 6x = 7 + 8
6x = 7 + 8

Combine like terms: 7 + 8 = 15
6x = 15

Divide each side by '6'.
x = 2.5

Simplifying
x = 2.5

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