Question

I need help for Algebra

solve for the first variable in one of the equations, then substitute the result into the other equation.
X=5 X+y=12

Answer 1

\[x = 5\]
\[x + y = 12\]

If x = 5, then how could we rewrite the second equation now that we know what x is?

Answer 2

i don't know that why im asking for help

Answer 3

Well for example

x = 2
y + x = 5

I could rewrite the second equation as

y + 2 = 5

Answer 4

ohh i got it know thanks

Answer 5

No problem.