4a+3=15 Hi what is the answer and how do I get it?

4a+3=15

Step-by-step explanation:

Let's solve your equation step-by-step.

4a+3=15

Step 1: Subtract 3 from both sides.

4a+3−3=15−3

4a=12

Step 2: Divide both sides by 4.

4a

4

=

12

4

a=3

a=3

walter needs to make at least 5 more cookies but no more than 40. 5 ≤ x ≤ 40

step-by-step explanation:

20 ≤ x + 15 ≤ 55

subtract 15 from all parts

20-15 ≤ x + 15-15 ≤ 55-15

5 ≤ x ≤ 40

this means how many more cookies he has to make

walter needs to make at least 5 more cookies, but no more than 40 cookies; 5 ≤ x ≤ 40