x=-10
5x plus 3 does equal 3 plus 5x; commutative law.
-10x + 5x = -5x
To evaluate the algebraic expression 7 + 5x for x = 10, you substitute the value of x into the expression. So, you get 7 + 5(10), which simplifies to 7 + 50. Therefore, the final answer is 57.
x=6
5x+5x-10 10x-10 is the only answer you can get from this
10x - 5x + 5x = 10x
It is: 5x
2x plus 5x simplified is 7x.
-5x^2 - 55x - 120
5x+2x=7x2x + 5x = 7x
3