30=75-0.45x

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Solution for 30=75-0.45x equation:


Simplifying
30 = 75 + -0.45x

Solving
30 = 75 + -0.45x

Solving for variable 'x'.

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

Add '0.45x' to each side of the equation.
30 + 0.45x = 75 + -0.45x + 0.45x

Combine like terms: -0.45x + 0.45x = 0.00
30 + 0.45x = 75 + 0.00
30 + 0.45x = 75

Add '-30' to each side of the equation.
30 + -30 + 0.45x = 75 + -30

Combine like terms: 30 + -30 = 0
0 + 0.45x = 75 + -30
0.45x = 75 + -30

Combine like terms: 75 + -30 = 45
0.45x = 45

Divide each side by '0.45'.
x = 100

Simplifying
x = 100

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