Answer:
1. x=27
2. x=3
Step-by-step explanation:
<h3>the first one </h3>
let's solve your equation step-by-step.
x−7=20
Step 1: Add 7 to both sides.
x−7+7=20+7
<h3>the second one </h3>
Let's solve your equation step-by-step.
3x+6=12x−21
Step 1: Subtract 12x from both sides.
3x+6−12x=12x−21−12x
−9x+6=−21
Step 2: Subtract 6 from both sides.
−9x+6−6=−21−6
−9x=−27
Step 3: Divide both sides by -9.
−9x/−9=−27/−9
<h3 />
(4x - y)/(2y + x) = (4(3) - 3)/(2(3) + 3) = (12 - 3)/(6 + 3) = 9/9 = 1
Answer:
Sorry, I don't even know what the answer is, ima spam for points
Step-by-step explanation:
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Answer:
224
Step-by-step explanation:
If c = 1 and d = 2:
(-1³ + 2⁴)² - (-1 + 2)³
(-1 + 16)² -(1)³
(15)² -1
225 -1
224
Answer:
40°
Step-by-step explanation:
110 + 30 is 140. Since the sum of every triangle's angles are 180, you do 180-140. the answer is 40
