18+-2y+2.5z+4y-5z=18

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Solution for 18+-2y+2.5z+4y-5z=18 equation:


Simplifying
18 + -2y + 2.5z + 4y + -5z = 18

Reorder the terms:
18 + -2y + 4y + 2.5z + -5z = 18

Combine like terms: -2y + 4y = 2y
18 + 2y + 2.5z + -5z = 18

Combine like terms: 2.5z + -5z = -2.5z
18 + 2y + -2.5z = 18

Add '-18' to each side of the equation.
18 + 2y + -18 + -2.5z = 18 + -18

Reorder the terms:
18 + -18 + 2y + -2.5z = 18 + -18

Combine like terms: 18 + -18 = 0
0 + 2y + -2.5z = 18 + -18
2y + -2.5z = 18 + -18

Combine like terms: 18 + -18 = 0
2y + -2.5z = 0

Solving
2y + -2.5z = 0

Solving for variable 'y'.

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

Add '2.5z' to each side of the equation.
2y + -2.5z + 2.5z = 0 + 2.5z

Combine like terms: -2.5z + 2.5z = 0.0
2y + 0.0 = 0 + 2.5z
2y = 0 + 2.5z
Remove the zero:
2y = 2.5z

Divide each side by '2'.
y = 1.25z

Simplifying
y = 1.25z

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