Question

3x+5x=4and9x-2y=7substitution method

Answer 1

3x+5x=4
8x=4
X=
$\frac{8}{4}$2X=2 ........ equation no 1
therefore the value of X is 2
9x-2y=7
the value of the X is 2
therefore
9x2-2=7
18-2=7
16=7
¹6/7