F(x)= x - 10
f(-7) = - 7 - 10
f(-7) = - 17
Option 1: 6a = 420 requires division property of equality to be solved
Step-by-step explanation:
Solving an equation means to find the value of a variable by isolating the variable on one side of the equation.
We will see all the options one by one.
<u>Option 1:</u>
In this option, 6 is multiplied with the variable so we have to divide the whole equation by 6 to find the value of a.
So we will use "Division property of Equality"
Dividing both sides by 6
Hence,
Option 1: 6a = 420 requires division property of equality to be solved
Keywords: Linear equation, variables
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2 7/8 + 2 3/8= 4 10/8, which equals 5 2/8, which is also equal to 5 1/4