1) | 6x + 10 + 1x − 13 = -87 | 2) | 2x − 20 + 7x − 13 = 75 |
3) | 6x + 4 − 3x + 13 = 5 | 4) | -8x + 15 + 9x + 19 = 24 |
1) | 6x + 10 + 1x − 13 = -87 | 2) | 2x − 20 + 7x − 13 = 75 |
x = -12 | x = 12 | ||
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3) | 6x + 4 − 3x + 13 = 5 | 4) | -8x + 15 + 9x + 19 = 24 |
x = -4 | x = -10 |