840+-3y=340+-1y

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Solution for 840+-3y=340+-1y equation:


Simplifying
840 + -3y = 340 + -1y

Solving
840 + -3y = 340 + -1y

Solving for variable 'y'.

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

Add 'y' to each side of the equation.
840 + -3y + y = 340 + -1y + y

Combine like terms: -3y + y = -2y
840 + -2y = 340 + -1y + y

Combine like terms: -1y + y = 0
840 + -2y = 340 + 0
840 + -2y = 340

Add '-840' to each side of the equation.
840 + -840 + -2y = 340 + -840

Combine like terms: 840 + -840 = 0
0 + -2y = 340 + -840
-2y = 340 + -840

Combine like terms: 340 + -840 = -500
-2y = -500

Divide each side by '-2'.
y = 250

Simplifying
y = 250

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