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Sagot :
Answer:
3 and 1
Step-by-step explanation:
To make this equation true you have to fill in the blank spots so x is 3
So I simply multiplied 3 times x which is 3x+ blank is 10
if I want x to be 3 then I fill in the blank for 1
now I do additive inverse to get the x by itself
subtract 1 on both sides
the equation is now 3x=9
Divide 3 in each sides and x=3
Answer:
1x + 7 = 10
-4x + 22 = 10
Step-by-step explanation:
Equations
We are given the following expression:
__x + __ = 10
Where the spaces must be filled with any value that makes x=3 the solution to the equation.
Let's call a and b the variables to fill up the spaces:
ax + b = 10
For x=3, the following equation must stand:
3a + b = 10
Any combination of a and b that makes true the above equation will solve the problem. Let's solve for b:
b = 10 - 3a
Make a=1, thus b = 10 - 3 = 7
So the equation:
1x + 7 = 10
Has the solution x=3
For a = -4, b = 10+12 = 22
Another combination is:
-4x + 22 = 10
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