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Alvin Copeland
Mathematics
30 July, 04:46
Solve for x.
6x - 3 = 21 - 2x
(SHOW YOUR WORK)
+4
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2
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Mercle
30 July, 04:52
0
Simplifying
6x + - 3 = 21 + - 2x
Reorder the terms:
-3 + 6x = 21 + - 2x
Solving
-3 + 6x = 21 + - 2x
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '2x' to each side of the equation.
-3 + 6x + 2x = 21 + - 2x + 2x
Combine like terms: 6x + 2x = 8x
-3 + 8x = 21 + - 2x + 2x
Combine like terms: - 2x + 2x = 0
-3 + 8x = 21 + 0
-3 + 8x = 21
Add '3' to each side of the equation.
-3 + 3 + 8x = 21 + 3
Combine like terms: - 3 + 3 = 0
0 + 8x = 21 + 3
8x = 21 + 3
Combine like terms: 21 + 3 = 24
8x = 24
Divide each side by '8'.
x = 3
Simplifying
x = 3
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Shaylee Ibarra
30 July, 05:06
0
Answer:x=3
Step-by-step explanation:first add 2x to both sides to get all the x's together
6x - 3 + 2x = 21
then add three to both sides to get the x's alone
6x + 2x = 21 + 3
simplify both sides of the equation
8x = 24
divide both sides by 8 to get x by itself
24/8 = 3
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