7=-.2x+4.5

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Solution for 7=-.2x+4.5 equation:


Simplifying
7 = -0.2x + 4.5

Reorder the terms:
7 = 4.5 + -0.2x

Solving
7 = 4.5 + -0.2x

Solving for variable 'x'.

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

Add '0.2x' to each side of the equation.
7 + 0.2x = 4.5 + -0.2x + 0.2x

Combine like terms: -0.2x + 0.2x = 0.0
7 + 0.2x = 4.5 + 0.0
7 + 0.2x = 4.5

Add '-7' to each side of the equation.
7 + -7 + 0.2x = 4.5 + -7

Combine like terms: 7 + -7 = 0
0 + 0.2x = 4.5 + -7
0.2x = 4.5 + -7

Combine like terms: 4.5 + -7 = -2.5
0.2x = -2.5

Divide each side by '0.2'.
x = -12.5

Simplifying
x = -12.5

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