3x+6(7.5+-1x)=30

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Solution for 3x+6(7.5+-1x)=30 equation:


Simplifying
3x + 6(7.5 + -1x) = 30
3x + (7.5 * 6 + -1x * 6) = 30
3x + (45 + -6x) = 30

Reorder the terms:
45 + 3x + -6x = 30

Combine like terms: 3x + -6x = -3x
45 + -3x = 30

Solving
45 + -3x = 30

Solving for variable 'x'.

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

Add '-45' to each side of the equation.
45 + -45 + -3x = 30 + -45

Combine like terms: 45 + -45 = 0
0 + -3x = 30 + -45
-3x = 30 + -45

Combine like terms: 30 + -45 = -15
-3x = -15

Divide each side by '-3'.
x = 5

Simplifying
x = 5

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