2.5=8.8-0.9X

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Solution for 2.5=8.8-0.9X equation:


Simplifying
2.5 = 8.8 + -0.9X

Solving
2.5 = 8.8 + -0.9X

Solving for variable 'X'.

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

Add '0.9X' to each side of the equation.
2.5 + 0.9X = 8.8 + -0.9X + 0.9X

Combine like terms: -0.9X + 0.9X = 0.0
2.5 + 0.9X = 8.8 + 0.0
2.5 + 0.9X = 8.8

Add '-2.5' to each side of the equation.
2.5 + -2.5 + 0.9X = 8.8 + -2.5

Combine like terms: 2.5 + -2.5 = 0.0
0.0 + 0.9X = 8.8 + -2.5
0.9X = 8.8 + -2.5

Combine like terms: 8.8 + -2.5 = 6.3
0.9X = 6.3

Divide each side by '0.9'.
X = 7

Simplifying
X = 7

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