1000+900+4z=800+400+9z

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Solution for 1000+900+4z=800+400+9z equation:


Simplifying
1000 + 900 + 4z = 800 + 400 + 9z

Combine like terms: 1000 + 900 = 1900
1900 + 4z = 800 + 400 + 9z

Combine like terms: 800 + 400 = 1200
1900 + 4z = 1200 + 9z

Solving
1900 + 4z = 1200 + 9z

Solving for variable 'z'.

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

Add '-9z' to each side of the equation.
1900 + 4z + -9z = 1200 + 9z + -9z

Combine like terms: 4z + -9z = -5z
1900 + -5z = 1200 + 9z + -9z

Combine like terms: 9z + -9z = 0
1900 + -5z = 1200 + 0
1900 + -5z = 1200

Add '-1900' to each side of the equation.
1900 + -1900 + -5z = 1200 + -1900

Combine like terms: 1900 + -1900 = 0
0 + -5z = 1200 + -1900
-5z = 1200 + -1900

Combine like terms: 1200 + -1900 = -700
-5z = -700

Divide each side by '-5'.
z = 140

Simplifying
z = 140

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