Question

Which property of equality justifies the step for solving the equation that is displayed?

3z2−5=10

3z2−5+5=10+5

3z2=15
Answered by GPT 3.5
The property of equality that justifies the step in solving the equation is the addition property of equality.
Answer
Which property of equality justifies the step for solving the equation that is displayed?

(3z)/(2)-5=10

(3z)/(2)-5+5=10+5

(3z)/(2)=15


Multiplication Property of Equality

Subtraction Property of Equality

Addition Property of Equality

Division Property of Equality
Answered by GPT 3.5
The addition property of equality justifies the step for solving the equation.
Answer
How many solutions will the equation 2/3(6m+9)−6=4m have


one solution

two solutions

infinite/many solutions

no solution
Answered by GPT 3.5
The equation 2/3(6m+9)−6=4m will have one solution.