Answer:
x=1.55
Step-by-step explanation:
42x-1=64
+1 +1
42x= 65
/42 /42
x= 1.55 (rounded)
Let's solve for i.
9x + 7i <3 (3x+7u)
First add -9x to both sides.
7i + 9x + −9x < 21u + 9x + −9x
7i < 21u
Then Divide both sides by 7.
7i/7 < 21u/7
The answer is i < 3u
<span>2 pieces of ribbon measuring 1/3 meter can be cut from a piece of ribbon measuring 3/4 meters. 3/4-2/3 is 1/12 meaning that 1/12 meters is leftover.</span>
Answer:
A= 1
Step-by-step explanation:
Distribute
3
(
− 6
) = −
5
− 1 ( 7 + 3
)
3a - 18 = -5a - 1 ( 7 + 3a )
Rearrange terms
3
− 1
8 = −
5
−
1 ( 3
+ 7 )
3a - 18 = -5a - 3a - 7
Combine like terms
3
− 1
8 =
−5
− 3
− 7
3a - 18 = -8a - 7
Add 1
8 to both sides of the equation
3a - 18 = -8a - 7
3
− 1
8 + 1
8 = −
8
− 7 + 1
8
Simplify
<u>Add the numbers</u>
3
− 1
8 + 1
8 = −
8
− 7 + 1
8
3a = -8a - 7 + 18
<u>Add the numbers again
</u>
3
= −
8
−
7 + 1
8
3a = -8a + 11
Add 8
to both sides of the equation
3a = -8a + 11
3
+ 8
= −
8
+ 1
1 + 8
Simplify
<u>Combine like terms</u>
3
+ 8
= −
8
+ 1
1 + 8
1
1
= −
8
+ 1
1 + 8
<u>Combine like terms again</u>
1
1
= −
8
+ 1
1 + 8
11a = 11
Divide both sides of the equation by the same term
11a = 11
1
1
/
1
1 = 1
1 / 1
1
Simplify
<u>Cancel terms that are in both the numerator and denominator</u>
1
1
/
1
1 = 1
1 / 1
1
a = 11/11
<u>Divide the numbers</u>
a = 11/11
a = 1
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