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3a plus 2b equals 4 and b equals 7?

Anonymous

∙ 15y ago

Updated: 9/17/2023

3a + 2b = 4

If b = 7, then

3a + 2(7) = 4

3a + 14 = 4

Subtract 14 from each side:

3a = -10

Divide each side by 3:

a = -10/3

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∙ 15y ago

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3a plus 2b - 6 - 2a - b plus 4?

= a + b - 2

What is 3a plus 2b when 5 is a and 2 is b?

3a=3xa and if a = 5 it would be 3x5 which = 15 2b=2xb and if b = 2 it would be 2x2 which = 4 15+4=19

What is 4a plus 3a-4 equals 10?

4a+3a-4 = 10 4a+3a = 10+4 7a = 14 a = 2

What is the answer of 3a-2b equals 2?

A = 2 and B = 2 3(2) - 2(2) = 6 - 4 = 2.

How to identify and combine like terms?

sample problem 9b + 3a - a + 6+ 2b + 4 terms would be each number or number plus a variable separated by an operation symbol (+ or -) like terms would be 9b and 2b, 3a and -a, and 6 and 4 simply add 9b + 2b (which is 11b) 3a-a (which is 2a) and 6 + 4 (which is 10) your answer would then be 11b + 2a + 10 hope that helped

Related Questions

3a plus 2b - 6 - 2a - b plus 4?

= a + b - 2

Simplify 2a plus 3a plus 4 equals?

2a + 3a + 4 = 5a + 4

When solving S equals a plus 2b for a you get a equals S - 2b?

4

What is 3a plus 2b when 5 is a and 2 is b?

3a=3xa and if a = 5 it would be 3x5 which = 15 2b=2xb and if b = 2 it would be 2x2 which = 4 15+4=19

What is 3a plus 2b?

3a + 2b is an expression in algebra. If you make 3a + 2b equal to something then you can find the values of "a" and "b" Lets say you make 3a + 2b equal to 23 3a + 2b = 23 Now find "a" and "b" to make this equation true... 3(5) + 2(4) = 23 15 + 8 = 23 23 = 23 Correct So in this case a=5 and b=4

What is 4a plus 3a-4 equals 10?

4a+3a-4 = 10 4a+3a = 10+4 7a = 14 a = 2

What is the answer for 3a plus 13 equals 5a plus 5?

a is equal to 4

What is the solution to a equals 3a plus 4?

a = 3a + 4 0 = 2a + 4 2a = -4 a = -2

What is the answer of 3a-2b equals 2?

A = 2 and B = 2 3(2) - 2(2) = 6 - 4 = 2.

How to simplify 4 a-b plus 3 a-b?

7

5b-4 equals 2b plus 17?

b=7

How to identify and combine like terms?

sample problem 9b + 3a - a + 6+ 2b + 4 terms would be each number or number plus a variable separated by an operation symbol (+ or -) like terms would be 9b and 2b, 3a and -a, and 6 and 4 simply add 9b + 2b (which is 11b) 3a-a (which is 2a) and 6 + 4 (which is 10) your answer would then be 11b + 2a + 10 hope that helped

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