The correct answer might be A
Answer:
9.043478261
Step-by-step explanation:
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Answer:
4r(x)+2t(x)=42x-14
Step-by-step explanation:
4r(x)=32x+4
2t(x)=10x-18
4r(x)+2t(x)=32x+4+10x-18=42x-14
Combine like terms on the right side:


Add 9 to both sides:

Divide both sides by 5 to get x by itself:

The value of x is
7.