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Mathematics
Lyric Pearson
11 December, 01:33
9x + - 7x - 5 = - 20
Find the value of x
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Cheyanne
11 December, 04:33
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9x-7x-5=-20
Step 1: Simplify both sides of the equation.
9x-7x-5=-20
9x+-7x+-5=-20
(9x+-7x) + (-5) = -20 (Combine Like Terms)
2x+-5=-20
2x-5=-20
Step 2: Add 5 to both sides.
2x-5+5=-20+5
2x=-15
Step 3: Divide both sides by 2.
2x/2=-15/2
x=-15/2
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