Please help 8, 9, and 10 you don't need to explain
2 answers:
Step-by-step explanation:
8.
1/2(x + 24) = 21
1/2x +12 = 21
1/2x = 9
x = 18
9.
28 - 3x - 4 = 2x + 12 + x
24 - 3x = 3x + 12
24 - 6x = 12
-6x = -12
x = 2
10.
3x - 18 + 6 = 5x - 6
3x - 12 = 5x - 6
-2x - 12 = -6
-2x = 6
x = -3
hope it help.
can you answer my question, i can help you in math, can you help me in english? please
Answer:
<u><em>8.</em></u>
x
12
9
4.5
<u><em>9.</em></u>
3, 4, 12
3, 3, 12
6, 12
-6, -12
2
<u><em>10.</em></u>
<u><em /></u>
<u>plug in x to check work</u>
<u><em /></u>
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