.45x+.4x=x-7.5

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Solution for .45x+.4x=x-7.5 equation:


Simplifying
0.45x + 0.4x = x + -7.5

Combine like terms: 0.45x + 0.4x = 0.85x
0.85x = x + -7.5

Reorder the terms:
0.85x = -7.5 + x

Solving
0.85x = -7.5 + x

Solving for variable 'x'.

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

Add '-1x' to each side of the equation.
0.85x + -1x = -7.5 + x + -1x

Combine like terms: 0.85x + -1x = -0.15x
-0.15x = -7.5 + x + -1x

Combine like terms: x + -1x = 0
-0.15x = -7.5 + 0
-0.15x = -7.5

Divide each side by '-0.15'.
x = 50

Simplifying
x = 50

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