Subtract one equation from the other to eliminate <em>x</em> :
(<em>x</em> + 3<em>y</em>) - (<em>x</em> - 3<em>y</em>) = 7 - 1
6<em>y</em> = 6
<em>y</em> = 1
Answer:
Step-by-step explanation:
5. <2=<10=102
<3=<9=78
<4=<10=102
<5=<7=38
<6=180-38=142
<8=142
<9=180-102=78
<11=<9=78
<12=<10=102
<13=<7=38
<14=<16=<6=<8=180-38=142
<15=<7=38
<16=142
Answer is D
5(6-x)/2=60, x= -18
(6-(-18) x 5) / 2 =60
