Step 3: x 8 = 4x + 7 Justification:______________________________________ – Step 4: -x + x 8 = 4x + 7 x Justification:______________________________________ – – Step 5: -8 = 4x + 7 x Justification:______________________________________ – Step 6: -8 = 4x x + 7 Justification:______________________________________ – Step 7: -8 = 3x + 7 Justification:______________________________________ Step 8: -7 8 = 3x + 7 7 Justification:______________________________________ – – Step 9: -15 = 3x Justification:______________________________________ Step 10: (-15) = (3x) Justification:______________________________________ -5 = x Justification:______________________________________ Step 11:
Step 3: x – 8 = 4x + 7 Justification:______________________________________ Step 4: -x + x – 8 = 4x + 7 – x Justification:______________________________________ Step 5: -8 = 4x + 7 – x Justification:______________________________________ Step 6: -8 = 4x – x + 7 Justification:______________________________________ Step 7: -8 = 3x + 7 Justification:______________________________________ Step 8: -7 – 8 = 3x + 7 – 7 Justification:______________________________________ Step 9: -15 = 3x Justification:______________________________________ Step 10: (-15) = (3x) Justification:______________________________________ Step 11: -5 = x Justification:______________________________________
day_2_homework.docx