35
3x plus -5 equal 7. so x is 4 so 3times 4 is 12-5 will equal 7.
It equals 24.
144
144
It doesn't ! -7 plus -5 equals -12 ! -7 plus 5 equals -2
w=10
59
5 plus 3 plus 7 does equal 5 plus 7 plus 3; this is an example of the commutative property of addition. Therefore, the statement is true.
This equation is not possible. Two plus three plus four plus five does not equal 287. The system has no solution.
9 plus 7 equals 144. Generally, x plus y = x(x+y).
3 plus 7 equals 10