Evaluate 3x-4y when x=5 and y=-1
1 answer:
Answer:
19 is the answer
Step-by-step explanation:
3x - 4y
= <em>3</em><em> </em><em>×</em><em> </em><em>5</em><em> </em><em>-</em><em> </em><em>4</em><em> </em><em>×</em><em> </em><em>(</em><em>-1</em><em>)</em>
= <em>1</em><em>5</em><em> </em><em>+</em><em> </em><em>4</em><em> </em>
= <em>1</em><em>9</em>
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