66=-0.8x+72

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Solution for 66=-0.8x+72 equation:


Simplifying
66 = -0.8x + 72

Reorder the terms:
66 = 72 + -0.8x

Solving
66 = 72 + -0.8x

Solving for variable 'x'.

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

Add '0.8x' to each side of the equation.
66 + 0.8x = 72 + -0.8x + 0.8x

Combine like terms: -0.8x + 0.8x = 0.0
66 + 0.8x = 72 + 0.0
66 + 0.8x = 72

Add '-66' to each side of the equation.
66 + -66 + 0.8x = 72 + -66

Combine like terms: 66 + -66 = 0
0 + 0.8x = 72 + -66
0.8x = 72 + -66

Combine like terms: 72 + -66 = 6
0.8x = 6

Divide each side by '0.8'.
x = 7.5

Simplifying
x = 7.5

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