Answer:
x= 15
Step-by-step explanation:
2x+3(x-10)=45
2x+3x-30=45
Combine like terms:
2x+3x-30 turns into 5x-30= 45
5x-30=45
+30 +30
5x = 75
x = 15
Answer:
<u>Given:</u>
<u>Isolate x:</u>
<u>Divide both sides by 2πz:</u>
A) Q + N = 63
B) .25Q + .05N = 8.35
Multiplying Equation B by -4
B) -Q -.2N = -33.40 then adding it to A)
A) Q + N = 63
.8 N = 29.60
N = 37
Q = 63 - 37 = 26