Algebra Substitutions

If a = 4 b = 6, what is 3a + 5b?

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If x=5,find the value of 7x-1

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If y=4,find the value of 3y+5

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If y=7,find the value of 2(y+4)

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If a=6 and b= 7,find the value of 15-a-b

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If a=4,b=5 and c=6,find 2c-a-b

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When x = 3, y = 6 and z = 7, find 2x - z

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If a = 4 and b = 6, what is the value of 3a + 5b?

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If x = 5, find the value of 7x-1.

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If y = 4, find the value of 3y+5.

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• 12

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