140=23z-90

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Solution for 140=23z-90 equation:


Simplifying
140 = 23z + -90

Reorder the terms:
140 = -90 + 23z

Solving
140 = -90 + 23z

Solving for variable 'z'.

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

Add '-23z' to each side of the equation.
140 + -23z = -90 + 23z + -23z

Combine like terms: 23z + -23z = 0
140 + -23z = -90 + 0
140 + -23z = -90

Add '-140' to each side of the equation.
140 + -140 + -23z = -90 + -140

Combine like terms: 140 + -140 = 0
0 + -23z = -90 + -140
-23z = -90 + -140

Combine like terms: -90 + -140 = -230
-23z = -230

Divide each side by '-23'.
z = 10

Simplifying
z = 10

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