Math, asked by ashokyadavasho23, 5 months ago

7 - 4x
7.
= V, 2x + 3 y = -1
3 substitution method

Answers

Answered by celljovi007
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.

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