Hey there!
<u>Solve </u><u>for </u><u>x </u><u>:</u>
x = 6 ✅
3x - 2 = 16
<em>></em><em>></em><em> </em><em>Add </em><em>2</em><em> </em><em>to </em><em>both </em><em>sides </em><em>:</em>
3x - 2 + 2 = 16 + 2
3x = 18
<em>></em><em>></em><em> </em><em>Divide </em><em>e</em><em>ach </em><em>side </em><em>by </em><em>3</em><em> </em><em>:</em>
3x / 3 = 18 / 3
x = 6
▪️Let's verify :
3(6) - 2 ⇔18 - 2 ⇔ 16
Therefore, your answer is x = 6
Learn more about first-degree equations :
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Answer:
58
Step-by-step explanation:
6*8+2*2+3*2=58
I think that if you use a fraction like this n/8
Answer:
78 and 99
Step-by-step explanation:
let x be the first quiz grade and y be the second quiz grade. we can set up this formula:
x+21 = y
and this formula:
2x-57 = y
therefore, x+21 = 2x-57
add 57 to both sides: x+78 = 2x
subtract x from both sides: 78 = 2x-x
simplify: 78 = x
now we know the first quiz grade is 78. we can plug this into the first formula:
78+21 = y
add to get y = 99
