30=4.5-2.5x

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Solution for 30=4.5-2.5x equation:


Simplifying
30 = 4.5 + -2.5x

Solving
30 = 4.5 + -2.5x

Solving for variable 'x'.

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

Add '2.5x' to each side of the equation.
30 + 2.5x = 4.5 + -2.5x + 2.5x

Combine like terms: -2.5x + 2.5x = 0.0
30 + 2.5x = 4.5 + 0.0
30 + 2.5x = 4.5

Add '-30' to each side of the equation.
30 + -30 + 2.5x = 4.5 + -30

Combine like terms: 30 + -30 = 0
0 + 2.5x = 4.5 + -30
2.5x = 4.5 + -30

Combine like terms: 4.5 + -30 = -25.5
2.5x = -25.5

Divide each side by '2.5'.
x = -10.2

Simplifying
x = -10.2

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