So first we want to assign the certain number a variable, let's say x.
So we can write this out as an equation, or:
7x + 12 = 47
Now we can just solve this.
7x + 12 - 12 = 47 - 12
7x = 35
/7 /7
x = 5
So the certain number is 5.
Your answer is
Here's how:
Step 1: Add 1 to both sides. 10x + 2y = 15 + 1
Step 2: Simplify 15 + 1 to 16. 10x + 2y = 16
Step 3: Factor are the common term 2. 2(5x + y) = 16
Step 4: Divide both sides by 2. 5x + y = 16/2
Step 5: Simplify 16/2 to 8. 5x + y = 8
Step 6: Subtract y from both sides. 5x = 8 - y
Step 7: Divide both sides by y. x = (8-y) / 5
This answer is if you want to solve for x! If you want to solve for y, let me know and I'll change my answer! Have a nice night!
Answer:
No, because AB is the length MN but CD is the length QP
Step-by-step explanation:
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