Q: What is 16a plus 3b-c-5a plus 3b plus 7c plus a equals?

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

If: 7+3b = 61 Then: b = 18

3b -2 =7 b+4

(11, 5)

Write down both equations (I'll label them (1) and (2)):(1) a = 3b - 4(2) a + b = 16Pass b to the left side of the equation (1):(1) a - 3b = -4(2) a + b = 16Multiply (1) by -1:(1) -a + 3b = 4(2) a + b = 16Add down both equations:-a + 3b + a + b = 4 + 164b = 20b = 5Replace b in (2):a + 5 = 16a = 11

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It is: 19a+27b-9 simplified

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

3b + 6 = 12 3b = 6 b = 2

If: 7+3b = 61 Then: b = 18

its -24.

3b -2 =7 b+4

(11, 5)

Write down both equations (I'll label them (1) and (2)):(1) a = 3b - 4(2) a + b = 16Pass b to the left side of the equation (1):(1) a - 3b = -4(2) a + b = 16Multiply (1) by -1:(1) -a + 3b = 4(2) a + b = 16Add down both equations:-a + 3b + a + b = 4 + 164b = 20b = 5Replace b in (2):a + 5 = 16a = 11

-3b=96+b -4b=96 b=-24

If you mean 3b+9 = 12 then b equals 1

b = -8

b = -6