21(24.4)+-0.8y=570

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Solution for 21(24.4)+-0.8y=570 equation: 


Simplifying
21(24.4) + -0.8y = 570

Multiply 21 * 24.4
512.4 + -0.8y = 570

Solving
512.4 + -0.8y = 570

Solving for variable 'y'.

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

Add '-512.4' to each side of the equation.
512.4 + -512.4 + -0.8y = 570 + -512.4

Combine like terms: 512.4 + -512.4 = 0.0
0.0 + -0.8y = 570 + -512.4
-0.8y = 570 + -512.4

Combine like terms: 570 + -512.4 = 57.6
-0.8y = 57.6

Divide each side by '-0.8'.
y = -72

Simplifying
y = -72

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