54=2(7.5)+2(x+6.8)

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Solution for 54=2(7.5)+2(x+6.8) equation:


Simplifying
54 = 2(7.5) + 2(x + 6.8)

Multiply 2 * 7.5
54 = 15 + 2(x + 6.8)

Reorder the terms:
54 = 15 + 2(6.8 + x)
54 = 15 + (6.8 * 2 + x * 2)
54 = 15 + (13.6 + 2x)

Combine like terms: 15 + 13.6 = 28.6
54 = 28.6 + 2x

Solving
54 = 28.6 + 2x

Solving for variable 'x'.

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

Add '-2x' to each side of the equation.
54 + -2x = 28.6 + 2x + -2x

Combine like terms: 2x + -2x = 0
54 + -2x = 28.6 + 0
54 + -2x = 28.6

Add '-54' to each side of the equation.
54 + -54 + -2x = 28.6 + -54

Combine like terms: 54 + -54 = 0
0 + -2x = 28.6 + -54
-2x = 28.6 + -54

Combine like terms: 28.6 + -54 = -25.4
-2x = -25.4

Divide each side by '-2'.
x = 12.7

Simplifying
x = 12.7

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