4(7.2+-0.4)-2y=18

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Solution for 4(7.2+-0.4)-2y=18 equation:


Simplifying
4(7.2 + -0.4) + -2y = 18

Combine like terms: 7.2 + -0.4 = 6.8
4(6.8) + -2y = 18

Multiply 4 * 6.8
27.2 + -2y = 18

Solving
27.2 + -2y = 18

Solving for variable 'y'.

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

Add '-27.2' to each side of the equation.
27.2 + -27.2 + -2y = 18 + -27.2

Combine like terms: 27.2 + -27.2 = 0.0
0.0 + -2y = 18 + -27.2
-2y = 18 + -27.2

Combine like terms: 18 + -27.2 = -9.2
-2y = -9.2

Divide each side by '-2'.
y = 4.6

Simplifying
y = 4.6

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