3(3.5)+y-12=0

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Solution for 3(3.5)+y-12=0 equation:


Simplifying
3(3.5) + y + -12 = 0

Multiply 3 * 3.5
10.5 + y + -12 = 0

Reorder the terms:
10.5 + -12 + y = 0

Combine like terms: 10.5 + -12 = -1.5
-1.5 + y = 0

Solving
-1.5 + y = 0

Solving for variable 'y'.

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

Add '1.5' to each side of the equation.
-1.5 + 1.5 + y = 0 + 1.5

Combine like terms: -1.5 + 1.5 = 0.0
0.0 + y = 0 + 1.5
y = 0 + 1.5

Combine like terms: 0 + 1.5 = 1.5
y = 1.5

Simplifying
y = 1.5

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