Answer:
m∠R=76°
Step-by-step explanation:
∠STR=∠RST=(2x+2)° (base angles of isos triangle)
2(2x+2)+(3x+1)=180 (angle sum of triangle)
4x+4+3x+1=180
7x+5=180
7x=180-5
=175
x=175÷7
=25
Hence, m∠R = (3x+1)°
= [3(25)+1]°
= (75+1)°
= 76°
<span>distributive property to rewrite 3(7+x) = 21 + 3x</span>
Answer:
Yes
Step-by-step explanation:
-2(9)+4= -14 and -14 is equal to -14.
Answer:hi
Step-by-step explanation:
<h3>−2x + 14 = 12</h3>
<em>Subtract</em><em> 14 </em><em>from both sides.</em>
<h3>−2x = 12 − 14</h3>
<em>Subtract </em><em>14</em><em> from </em><em>12 </em><em>to get </em><em>−2.</em>
<h3>−2x = −2</h3>
<em>Divide both sides by</em><em> −2.</em>
<h3>x= -2/-2</h3>
<em>Divide </em><em>−2</em><em> by </em><em>−2</em><em> to get 1.</em>
<h3>x = 1</h3>
<h2>Skandar</h2>
