21z+100=11z+10

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Solution for 21z+100=11z+10 equation:


Simplifying
21z + 100 = 11z + 10

Reorder the terms:
100 + 21z = 11z + 10

Reorder the terms:
100 + 21z = 10 + 11z

Solving
100 + 21z = 10 + 11z

Solving for variable 'z'.

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

Add '-11z' to each side of the equation.
100 + 21z + -11z = 10 + 11z + -11z

Combine like terms: 21z + -11z = 10z
100 + 10z = 10 + 11z + -11z

Combine like terms: 11z + -11z = 0
100 + 10z = 10 + 0
100 + 10z = 10

Add '-100' to each side of the equation.
100 + -100 + 10z = 10 + -100

Combine like terms: 100 + -100 = 0
0 + 10z = 10 + -100
10z = 10 + -100

Combine like terms: 10 + -100 = -90
10z = -90

Divide each side by '10'.
z = -9

Simplifying
z = -9

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