129+116+130+120+135+125+y=900

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Solution for 129+116+130+120+135+125+y=900 equation: 


Simplifying
129 + 116 + 130 + 120 + 135 + 125 + y = 900

Combine like terms: 129 + 116 = 245
245 + 130 + 120 + 135 + 125 + y = 900

Combine like terms: 245 + 130 = 375
375 + 120 + 135 + 125 + y = 900

Combine like terms: 375 + 120 = 495
495 + 135 + 125 + y = 900

Combine like terms: 495 + 135 = 630
630 + 125 + y = 900

Combine like terms: 630 + 125 = 755
755 + y = 900

Solving
755 + y = 900

Solving for variable 'y'.

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

Add '-755' to each side of the equation.
755 + -755 + y = 900 + -755

Combine like terms: 755 + -755 = 0
0 + y = 900 + -755
y = 900 + -755

Combine like terms: 900 + -755 = 145
y = 145

Simplifying
y = 145

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