#13 is 196 and #14 is 15 dimes.
You multiple -7 by whats in the parentheses
(A negative number multiplied by a positive equals a negative number)
You then add 21 to each side in order to isolate the "x" or "-7x" by doing the opposite of the number which is -21
Combine the like terms
Now divide the number 35 by -7x (numbers are divided by "x")
35 divided by -7=-5
35÷-7=-5
Answer:
Step-by-step explanation: X=2
Answer:
10
Step-by-step explanation:
30/100*x=3
Multiply both sides by 100 and divide both by 30
You get the answer x=10
The expression √180 * 2√30 is equivalent to the expression 60√6
<h3>What is an
equation?</h3>
An equation is an expression that shows the relationship between two numbers and variables.
The square root is a factor of a number that, when multiplied by itself, gives the original number.
Given the expression √180 * 2√30
Collecting like terms give:
= 2√(180 * 30)
Simplifying:
= 60√6
The expression √180 * 2√30 is equivalent to the expression 60√6
Find out more on equation at: brainly.com/question/2972832
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