1.) 9n + 7 = 52 n=_______
2.) 6× -8=10 x=_______
3.) h/9 -5=4 b=_______
4.) 35 + 4a=51 a=_______
5.) 4 + c/7=11 c=_______
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1.) 9n + 7 = 52 n=_______
2.) 6× -8=10 x=_______
3.) h/9 -5=4 b=_______
4.) 35 + 4a=51 a=_______
5.) 4 + c/7=11 c=_______
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Step-by-step explanation:
1. 9n + 7 = 52
9n = 52 - 7
9n = 45
9n/9 = 45/9
n = 5
2. 6x - 8 = 10
6x = 10 + 8
6x = 18
6x/6 = 18/6
x = 3
4. 35 + 4a = 51
4a = 51 - 35
4a = 16
4a/4 = 16/4
a = 4
Explanation:
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Verified answer
ANSWER:
1. [tex]\color{red}{n = }\frac{7}{43} [/tex]
2. [tex]\color{red}{x = − 2}[/tex]
3.[tex]\color{red}{h=36b+45}[/tex]
4.[tex] \color{red}{a=} \frac{35}{47} [/tex]
5.[tex]\color{red}{c=} \frac{7}{19} [/tex]
EXPLANATION:
1. 9n+7 = 52n
9n+7−52n = 0
− 43n+7 = 0
− 43n = −7
n = 7/43
Exact form:
n = 7/43
Decimal form:
n=0.16279069.
2. 6x−8=10x
− 4x −8 = 0
−4x = 8
x = − 2
3. h/9 -5=4 b
h/9 = 4b+5
9⋅h/9 =9⋅(4b+5)
h=36b+45
4. 35 + 4a=51 a
Exact form:
a=35/47
Decimal form:
a=0.74468055.
5. 4 + c/7=11 c
4−76c/7=0
−76c/7=−4
Exact form:
c=7/19