Lucy is knitting a blanket and needs to buy some more yarn. at her local craft store, 2 skeins of yarn cost $7 and 8 skeins of y
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Answer/Step-by-step explanation:
The following shows the reasons for each step taken in proving that :
Step 1:
=> R1: Given
Step 2: apply the subtraction property of equality by subtracting 32 from each side of the equation.
=> R2: Subtraction property of equality
Step 3: Eliminate the parentheses by applying the distributive property of multiplication
=> R3: distributive property of multiplication
Step 4: Apply the addition property of equality by adding 18 to each side.
=> R4: Addition property of equality
Step 5: Apply the division property if equality by dividing both sides by 9.
=> R5: Division property of equality