Answer :
Let's solve the given set of equations step-by-step:
c. __ + (-21) = -30
To find the missing number, we need to isolate it:
- Add 21 to both sides of the equation:
[tex]x + (-21) + 21 = -30 + 21[/tex] - Simplifying both sides gives:
[tex]x = -9[/tex]
So, the missing number is -9.
f. 14 + 49 = 63
This equation is already complete and correct. When you add 14 and 49 together, you get 63.
i. 38 + 27 = 65
This equation is also complete and correct. Adding 38 and 27 results in 65.
l. __ + (-16) = 30
To solve for the missing number:
- Add 16 to both sides:
[tex]x + (-16) + 16 = 30 + 16[/tex] - Simplifying both sides gives:
[tex]x = 46[/tex]
So, the missing number is 46.
o. __ + (-28) = -32
To find the missing number:
- Add 28 to both sides:
[tex]x + (-28) + 28 = -32 + 28[/tex] - Simplifying both sides gives:
[tex]x = -4[/tex]
So, the missing number is -4.
r. 45 + __ = 73
To find the missing number:
- Subtract 45 from both sides:
[tex]45 + x - 45 = 73 - 45[/tex] - Simplifying both sides gives:
[tex]x = 28[/tex]
So, the missing number is 28.
u. (-44) + __ = -15
To solve for the missing number:
- Add 44 to both sides:
[tex](-44) + x + 44 = -15 + 44[/tex] - Simplifying both sides gives:
[tex]x = 29[/tex]
So, the missing number is 29.
x. __ + 49 = 18
To find the missing number:
- Subtract 49 from both sides:
[tex]x + 49 - 49 = 18 - 49[/tex] - Simplifying both sides gives:
[tex]x = -31[/tex]
So, the missing number is -31.
