Answer:
x=3
y=7
Step-by-step explanation:
solve for the first variable in one of the equations, then substitute the result into the other equation.
Answer:
, close circle on 5 and place the arrow to the left
Step-by-step explanation:

subtract 7 on both sides to isolate the variable

Answer:
14
Step-by-step explanation:
5x-7=3x+21
2x=28
x=14
<h2>Here </h2>
Tan65°=<u>h/</u><u>7</u><u>5</u><u>m</u>
<u> </u><u>2</u><u>.</u><u>1</u><u>4</u><u>4</u><u>5</u><u> </u><u>×</u><u> </u><u>7</u><u>5</u><u> </u><u>=</u><u> </u><u>h</u>
<u>h </u><u>=</u><u> </u><u>1</u><u>6</u><u>0</u><u>.</u><u>8</u><u>3</u>
Step-by-step explanation:
This is very very simple
B = 11
(my handwriting is so bad excuse me )