X = 6
5x + 2x = 42
5 - 2 + 11 = 14
To evaluate (5a + 5b) where (a = -6) and (b = -5), substitute the values into the expression: [ 5(-6) + 5(-5) = -30 - 25 = -55. ] Therefore, (5a + 5b = -55).
The expression "5x plus 12" can be written mathematically as (5x + 12). This represents a linear equation where (5x) is the term involving the variable (x), and (12) is a constant term. If you need to evaluate it for a specific value of (x), you would substitute that value into the expression.
utujaj
the answers is d
5 - 2 + 11 = 14
utujaj
46
To evaluate (5a + 5b) where (a = -6) and (b = -5), substitute the values into the expression: [ 5(-6) + 5(-5) = -30 - 25 = -55. ] Therefore, (5a + 5b = -55).
It is: 8+7 = 15
the answers is d
Addition
3(10x + y) + 2x + 7y (multiply the 3 through the parentheses then combine like terms) = 30x + 3y + 2x + 7y = 32x + 10 y Evaluate an expression for some values of x and y, means to substitute those values into the expression, such that when x = 3 and y = 1 the value of the given expression is 106: 32x + 10y = 32(3) + 10(1) = 96 + 10 = 106
To evaluate the variable expression 3a + 2b, you need specific values for the variables a and b. Once you have those values, you substitute them into the expression and perform the arithmetic operations. For example, if a = 4 and b = 5, then 3(4) + 2(5) = 12 + 10 = 22. This gives you the final value of the expression.
The expression "75 3X plus 9Y" seems unclear due to the formatting, but if you mean to simplify or evaluate it, it appears to represent the algebraic expression (75 \cdot 3X + 9Y). Simplifying this, you would get (225X + 9Y). If there are specific values for (X) and (Y), you could substitute them in to find a numerical answer.
33
12 - 10 + 4 = 6