Answer:EERR
Step-by-step explanation:
EERR
Answer:
The letter "x" is often used in algebra to mean a value that is not yet known. It is called a "variable" or sometimes an "unknown". In x + 2 = 7, x is a variable, but we can work out its value if we try! A variable doesn't have to be "x", it could be "y", "w" or any letter, name or symbol.
Distribute the number outside the parenthesis and do the equations in the parenthesis. If there is no sign in between the parenthesis, assume to multiply.
Let's say the following inequality is multiplied by A>0:
Notice that is the same as multiplying A by 7 and multiplying A by 5. When we multiply A by 7 the result is a number greater than when we multiply A by 5, since 7>5.
Thus, in this example, we see that the order of the inequality remains.
A different problem would be multiplying the inequality by a negative number. For example, let's multiply the original inequality by -1:
As we see, -7 is more negative than -5. Thus, -7 < -5. Then, multiplying by a negative number changes the order of the inequality.
The same happens when we divide by a positive number (the order is the same) or a negative number (the order is changed) since dividing would be the same as multiplying by a fraction.
Therefore, the statement "the order of an inequality remains the same if a positive number is multiplied or divided by on both sides of the inequality" is TRUE.
Answer:
Step-by-step explanation:
4x+1=1/3 x+ 10
Step 1. Move all terms containing x to the left and all other terms to the right.
4x-3x=+10-1
Step 2. Simplify left and right side of the equation.
1x =9 or x=9
Step 3.
Not needed, You do not need to divide in this one.
x=9