What is the solution of the equation 10z − 6 = 24 solving for z ?(1 point)
Responses
−3
negative 3
0.4
0.4
1.8
1.8
3
3 answers
The solution to the equation 10z - 6 = 24, solving for z, is 3.
Jonny is solving this equation for n: 8 + 3n = 20. His first step is to subtract 8 from both sides of the equation. Why?(1 point)
Responses
8 is the first term in the equation.
8 is the first term in the equation.
He needs to follow the order of operations.
He needs to follow the order of operations.
He needs to reverse the order of operations.
He needs to reverse the order of operations.
8 is attached to 3n by subtraction.
8 is attached to 3 n by subtraction.
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Responses
8 is the first term in the equation.
8 is the first term in the equation.
He needs to follow the order of operations.
He needs to follow the order of operations.
He needs to reverse the order of operations.
He needs to reverse the order of operations.
8 is attached to 3n by subtraction.
8 is attached to 3 n by subtraction.
Skip to navigation
page 20 of 20
Jonny subtracts 8 from both sides of the equation because he needs to isolate the variable (n) on one side of the equation.