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Mathematics
German Huang
20 March, 02:33
What is 15-5 (4x-7) = 50
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Antoine
20 March, 03:13
0
Simplifying
15 + - 5 (4x + - 7) = 50
Reorder the terms:
15 + - 5 (-7 + 4x) = 50
15 + (-7 * - 5 + 4x * - 5) = 50
15 + (35 + - 20x) = 50
Combine like terms: 15 + 35 = 50
50 + - 20x = 50
Add '-50' to each side of the equation.
50 + - 50 + - 20x = 50 + - 50
Combine like terms: 50 + - 50 = 0
0 + - 20x = 50 + - 50
-20x = 50 + - 50
Combine like terms: 50 + - 50 = 0
-20x = 0
Solving
-20x = 0
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Divide each side by '-20'.
x = 0.0
Simplifying
x = 0.0
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