Solve for z
z=3.0411
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2.77\times 5.43=z+12
Multiply both sides by 5.43.
15.0411=z+12
Multiply 2.77 and 5.43 to get 15.0411.
z+12=15.0411
Swap sides so that all variable terms are on the left hand side.
z=15.0411-12
Subtract 12 from both sides.
z=3.0411
Subtract 12 from 15.0411 to get 3.0411.
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