It equals to the equation of a straight line.
2x must equal 12 so x is 6.
It's not an equation and therefore unsolvable until it equals something.
-2x plus 3y equals 1
To solve for x, set up the equation: 2x +2x = 40 (then simplify) 4x = 40 (then divide both sides of the equation by 4) x = 10 (this is the answer)
No. It is a meaningless equation. You may have intended to say: 2 times the sum of x and g is equal to 2x plus 2g.
y = 2x + 1 IS a linear equation!
4
21
It is an equation and the value of x is 1
Yes it is. The thing that makes it a quadratic equation is that "x squared" in there.
Multiply the first equation by 3 to give 9x + 15y = 21