x=0.7*4.5+0.3*7.5

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Solution for x=0.7*4.5+0.3*7.5 equation: 


Simplifying
x = 0.7 * 4.5 + 0.3 * 7.5

Multiply 0.7 * 4.5
x = 3.15 + 0.3 * 7.5

Multiply 0.3 * 7.5
x = 3.15 + 2.25

Combine like terms: 3.15 + 2.25 = 5.4
x = 5.4

Solving
x = 5.4

Solving for variable 'x'.

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

Simplifying
x = 5.4

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