The value of 2x + 2y = 10
<h3>Further Explanation
</h3>
One variable linear equation is an equation that has a variable and the exponent number is one.
Can be stated in the form:
or
ax + b = c, where a, b, and c are constants, x is a variable
Whereas the two-variable linear equation is a linear equation that has 2 variables and the exponent is one
Can be stated in the form:
x, y = variable
3x + y = 19, and x + 3y = 1
The two equations above are equation 2 variables
Can be solved by elimination and substitution
3x + y = 19 x1 ---> 3x + y = 19
x + 3y = 1 x3 ----> 3x + 9y = 3
---------------- -
-8y = 16
y = -2
x + 3 (-2) = 1
x -6 = 1
x = 7
We input both x and y values to solve the equation:
2x + 2y
2 (7) +2 (-2)
= 14-4
= 10
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