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Oksana_A [137]
3 years ago
7

Which is the solution to the equation -3x-4=5(x+4)

Mathematics
2 answers:
Lorico [155]3 years ago
6 0

Step 1. Expand

-3x - 4 = 5x + 20

Step 2. Add 3x to both sides

-4 = 5x + 20 + 3x

Step 3. Simplify 5x + 20 + 3x to 8x + 20

-4 = 8x + 20

Step 4. Subtract 20 from both sides

-4 - 20 = 8x

Step 5. Simplify -4 - 20 to -24

-24 = 8x

Step 6. Divide both sides by 8

-24/8 = x

Step 7. Simplify 24/8 to 3

-3 = x

Step 8. Switch sides

x = -3

ratelena [41]3 years ago
4 0
X=-3..................
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