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Subtract 5 from each side: 16 = 5x + 3x ie 16 = 8x
Divide each side by 8: 2 = x
21 = 5x + 3x + 5
21 - 5 = 8x
16 = 8x
16/2 = x
2 = x
x = 2
Check:
21 = 5(2) + 3(2) + 5
21 = 10 + 6 + 5
21 = 21
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5x+3 = 3x+11 5x-3x = 11-3 2x = 8 x = 4
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5k
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5x plus 5 equals 8 - 3x?
5x + 5 = 8 -3x 5x = 3 -3x 8x = 3 x = 0.375
If 2x plus 3x equals 5x 2k plus 3k equals?
5k
What is the answer to 3x plus 7 equals 5x-13?
3x+7=5x-13 ----> 3x-5x=-13-7 ----> -2x=-6 -----> x=3
What is 32-5x equals 3x plus 8?
32-5x=3x+8 32-5x-8=3x+8-8 24-5x=3x 24-5x+5x=3x+5x 24=8x x=24/8=3
How do you solve 5X plus 2 equals 3X-6?
5x+2 = 3x-6 5x-3x = -6-2 2x = -8 x = -4
Is 3x plus 5y equals 12 perpendicular to 5x plus 3y equals 18?
No.
