skarlettsameeva
Answered

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Let's evaluate 3x + 4 when x=5
First, I need to substitute 5 in for x

3( ) + 4


Put the steps for Evaluating an Expression in order: Evaluate x-3 when x=9?

Can you evaluate 3a + 4b when a=6 and b=5?
Substitute your values for a and b

3( ) + 4( )


Evaluate the following expression when a= 3 and b = 6

6a+3b

Sagot :

It is simple
Step 1) substitute x = 5 into the equation
3x +4
3(5) + 4 gives you 3 times 5 + 4
The answer is 15 + 4 which is 19

Now substitute a and b into the equation 3(a) + 4(b) when the a = 6 and b = 5
Hereby 3(6) + 4(5)
3 * 6 = 18 and 4* 5 = 20
18 + 20 = 38
The answer is 38

Now finally
Substitute a and b Into the equation
3(3) + 4(6)
9+ 24 = 33
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