7 - 4x
7.
= V, 2x + 3 y = -1
3 substitution method
Answers
Answered by
1
Step-by-step explanation:
Indicators are those substances which tell us whether a substance is acidic or basic by change in colour. For e.g., litmus solution.
Similar questions
Math,
2 months ago
Science,
2 months ago
Math,
5 months ago
History,
5 months ago
India Languages,
11 months ago
India Languages,
11 months ago
India Languages,
11 months ago