If you would like to eliminate the z-term, you can do this using the following steps:
x + z = 6 /*(-2)
3x + 2z = 1
_____________
-2x -2z = -12
<span>3x + 2z = 1
</span><span>_____________
</span>-2x + 3x = -12 + 1
x = -11
The correct result would be <span>x + z = 6 /*(-2).</span>
Answer:
x =
Step-by-step explanation:
Given
=
multiply numerator/ denominator of by 4, thus
=
Since the denominators are common , equate the numerators, that is
4x = 3 ( divide both sides by 4 )
x =
Answer:
1 5/6
Step-by-step explanation:
Answer:7 hours
Step-by-step explanation:
If the painters split the work they have to do amognst each other {divide each by two}. Then add what you dived by two together that gives you 7 hours
-- The decimal equivalent of 7/8 is 0.875 .
-- So 9 7/8 = 9.875 .
-- 9.875 is 987.5 percent .