Simple....
you have:
3x-9=7x+12
To even solve this....isolate the variable your are trying to solve for....
3x-9=7x+12
-3x -3x
-9=4x+12
-9=4x+12
-12 -12
-21=4x
Simplify.....
Thus, your answer.
It can lie between any number lower than it and any number high than it.
For example, 419 and 421
Answer:
The mistake there is the expression shown is not in PEMDAS.
<em>PEMDAS rule states that the order of operation starts with the parentheses first or the calculation which is enclosed in brackets. Then the operation is performed on exponents(degree or square roots) and later we do operations on multiplication & division and at last addition and subtraction.</em>
Step-by-step explanation:
1 + 4 x 9 4 x 9 = 36
1 + 36 36 + 1 = 37
37
Always remeber to use multiplication first!
Let
x-------> yards of fabric used to make pillows
y-------> yards of fabric used to make curtains
T------> total yards of fabric
R-------> remaining yards of fabric
we know that
we have
substitute in the formula above
therefore
<u>the answer is</u>
the remaining of fabric is 
Answer:
1.5
1.5
Step-by-step explanation:
The steps are in the image above
