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Elijah Roberts
Mathematics
22 June, 20:52
Find the x value 4x-28 9x
+5
Answers (
1
)
Adrienne Pugh
22 June, 21:10
0
Answer: - 5.6
Step-by-step explanation:
Simplifying
(4x + - 28) = 9x
Reorder the terms:
(-28 + 4x) = 9x
Remove parenthesis around (-28 + 4x)
-28 + 4x = 9x
Solving
-28 + 4x = 9x
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '-9x' to each side of the equation.
-28 + 4x + - 9x = 9x + - 9x
Combine like terms: 4x + - 9x = - 5x
-28 + - 5x = 9x + - 9x
Combine like terms: 9x + - 9x = 0
-28 + - 5x = 0
Add '28' to each side of the equation.
-28 + 28 + - 5x = 0 + 28
Combine like terms: - 28 + 28 = 0
0 + - 5x = 0 + 28
-5x = 0 + 28
Combine like terms: 0 + 28 = 28
-5x = 28
Divide each side by '-5'.
x = - 5.6
Simplifying
x = - 5.6
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