y*4-7y*2-18=0

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Solution for y*4-7y*2-18=0 equation:


Simplifying
y * 4 + -7y * 2 + -18 = 0

Reorder the terms for easier multiplication:
4y + -7y * 2 + -18 = 0

Reorder the terms for easier multiplication:
4y + -7 * 2y + -18 = 0

Multiply -7 * 2
4y + -14y + -18 = 0

Reorder the terms:
-18 + 4y + -14y = 0

Combine like terms: 4y + -14y = -10y
-18 + -10y = 0

Solving
-18 + -10y = 0

Solving for variable 'y'.

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

Add '18' to each side of the equation.
-18 + 18 + -10y = 0 + 18

Combine like terms: -18 + 18 = 0
0 + -10y = 0 + 18
-10y = 0 + 18

Combine like terms: 0 + 18 = 18
-10y = 18

Divide each side by '-10'.
y = -1.8

Simplifying
y = -1.8

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