2.5=9.7-0.9x

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Solution for 2.5=9.7-0.9x equation: 


Simplifying
2.5 = 9.7 + -0.9x

Solving
2.5 = 9.7 + -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 = 9.7 + -0.9x + 0.9x

Combine like terms: -0.9x + 0.9x = 0.0
2.5 + 0.9x = 9.7 + 0.0
2.5 + 0.9x = 9.7

Add '-2.5' to each side of the equation.
2.5 + -2.5 + 0.9x = 9.7 + -2.5

Combine like terms: 2.5 + -2.5 = 0.0
0.0 + 0.9x = 9.7 + -2.5
0.9x = 9.7 + -2.5

Combine like terms: 9.7 + -2.5 = 7.2
0.9x = 7.2

Divide each side by '0.9'.
x = 8

Simplifying
x = 8

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