Mercadogracia35id
Answered

Evaluate the following expression
1. 3x-2y+5: x= 4 ; y = 3

2. 5a +b - 4: a = 4; b=3
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Sagot :

Tyron09id

Step-by-step explanation:

  1. 3x - 2y + 5; x = 4; y = 3

  • 3(4) - 2(3) + 5
  • 12 - (6 + 5) use the PEMDAS RULE;
  • 12 - 11
  • 1

2. 5a + b - 4; a = 4; b = 3

  • 5(4) + 3 - 4
  • (20 + 3) - 4 use the PEMDAS RULE;
  • 23 - 4
  • 19